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Mathematik » Stochastik und Statistik » Zufallsvariable exponentialverteilt
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Universität/Hochschule Zufallsvariable exponentialverteilt
Carly2004
Wenig Aktiv Letzter Besuch: vor mehr als 3 Monaten
Dabei seit: 26.06.2022
Mitteilungen: 37
  Themenstart: 2023-06-05

Seien ((X_n))_(n\el\ \IN) unabhängige Zufallsvariablen, die jeweils exponentialverteilt mit Parameter \lambda > 0 sind, und S_n = sum(X_k,k=1,n) Sei außerdem \delta > 0. Finden Sie ein möglichst großes c > 0, sodass für alle n\el\ \IN gilt: P(1/n S_n >=(1+\delta)E(X_1))<=e^(-cn) Ich habe leider keinen Ansatz bzw Idee wie ich vorgehen könnte, kann mir einer ein Tipp geben?


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luis52
Senior Letzter Besuch: in der letzten Woche
Dabei seit: 24.12.2018
Mitteilungen: 1111
  Beitrag No.1, eingetragen 2023-06-05

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%**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} \newcommand{\diag}{\operatorname{diag}} %  diag \newcommand{\Diag}{\operatorname{Diag}} %  Diag \newcommand{\tr}{\operatorname{tr}}     %  Spur \newcommand{\rg}{\operatorname{rg}}     %  Rang \newcommand{\logit}{\operatorname{logit}} %  logit \newcommand{\sign}{\operatorname{sign}} %  logit \newcommand{\AR}{\operatorname{AR}}     %  AR-Prozess \newcommand{\MA}{\operatorname{MA}}     %  MA-Prozess \newcommand{\ARMA}{\operatorname{ARMA}}     %  ARMA-Prozess \newcommand{\VAR}{\operatorname{VAR}}     %  VAR-Prozess \newcommand{\spn}{\operatorname{span}} %  span %**************************************************************** %************************** Abkuerzungen ************************ %**************************************************************** \newcommand{\eps}{\epsilon} \newcommand{\veps}{\varepsilon} %**************************************************************** %************************** Miszellanien ************************ %**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} %**************************************************************** %************** Wahrscheinlichkeitsrechnung ********************* %**************************************************************** \newcommand{\dstr}[2]{\ensuremath{\mathcal{#1}(#2)}} \renewcommand{\dstr}[2]{\ensuremath{\mathtt{#1}(#2)}} \newcommand{\idd}{\ensuremath{\stackrel{d}{=}}} \newcommand{\ldd}{\ensuremath{\stackrel{d}{\le}}} \newcommand{\gdd}{\ensuremath{\stackrel{d}{\ge}}} \newcommand{\simdot}{\ensuremath{\stackrel{\cdot}{\sim}}} \newcommand{\asim}{\ensuremath{\stackrel{\,\mathrm{a}}{\sim}}} \newcommand {\plim}{\ensuremath{\operatorname*{plim}}} \newcommand{\Pto}{\ensuremath{\stackrel{\textup{P}}{\longrightarrow}}} \newcommand{\kiw}[2]{#1\ensuremath{\stackrel{\text{P}}{\longrightarrow}}#2} 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griechische Buchstaben im Mathemodus  ----- \newcommand{\bGamma}{\boldsymbol{\Gamma}} \newcommand{\bDelta}{\boldsymbol{\Delta}} \newcommand{\bTheta}{\boldsymbol{\Theta}} \newcommand{\bLambda}{\boldsymbol{\Lambda}} \newcommand{\bXi}{\boldsymbol{\Xi}} \newcommand{\bPi}{\boldsymbol{\Pi}} \newcommand{\bSigma}{\boldsymbol{\Sigma}} \newcommand{\bUpsilon}{\boldsymbol{\Upsilon}} \newcommand{\bPhi}{\boldsymbol{\Phi}} \newcommand{\bPsi}{\boldsymbol{\Psi}} \newcommand{\bOmega}{\boldsymbol{\Omega}} %-----  Fette kleine griechische Buchstaben im Mathemodus  ----- \newcommand{\balpha}{\boldsymbol{\alpha}} \newcommand{\bbeta}{\boldsymbol{\beta}} \newcommand{\bgamma}{\boldsymbol{\gamma}} \newcommand{\bdelta}{\boldsymbol{\delta}} \newcommand{\beps}{\boldsymbol{\varepsilon}} \newcommand{\bzeta}{\boldsymbol{\zeta}} \newcommand{\boldeta}{\boldsymbol{\eta}} \newcommand{\btheta}{\boldsymbol{\theta}} \newcommand{\bvartheta}{\boldsymbol{\vartheta}} \newcommand{\biota}{\boldsymbol{\iota}} 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\newcommand{\mco}{\mathcal{O}} \newcommand{\mcp}{\mathcal{P}} \newcommand{\mcq}{\mathcal{Q}} \newcommand{\mcr}{\mathcal{R}} \newcommand{\mcs}{\mathcal{S}} \newcommand{\mct}{\mathcal{T}} \newcommand{\mcu}{\mathcal{U}} \newcommand{\mcv}{\mathcal{V}} \newcommand{\mcw}{\mathcal{W}} \newcommand{\mcx}{\mathcal{X}} \newcommand{\mcy}{\mathcal{Y}} \newcommand{\mcz}{\mathcal{Z}} %----------  Doppelsumme ------------------------------------------ \newcommand{\dblsum}[1]{\ensuremath{\mathop{\sum\sum}\limits_{#1}}} %----------  \argmin und \argmax ------------------------------ \newcommand{\argmin}{\ensuremath{\operatorname*{arg{}min}}} \newcommand{\argmax}{\ensuremath{\operatorname*{arg{}max}}} %----------  Folgen  ------------------------------------------ \newcommand{\avec}[2]{#1_1,\ldots,#1_{#2}} \newcommand{\avecc}[2]{\ensuremath{#1_1,#1_2,\ldots,#1_{#2}}} \newcommand{\aveccc}[3]{\ensuremath{(#1_{#2},\ldots,#1_{#3})}} %----------  Geordnete Werte --------------------------------------- \newcommand{\ord}[2]{\ensuremath{#1_{(1)},\ldots,#1_{(#2)}}} \newcommand{\ordd}[2]{\ensuremath{#1_{(1)}\le#1_{(2)}\le\cdots\le#1_{(#2)}}} \newcommand{\ordstat}[2]{\ensuremath{#1_{(#2)}}} \newcommand{\ordne}[3]{\ensuremath{#1_{(1)}#3 #1_{(2)}#3\dots#3#1_{(#2)}}} \) \quoteon(2023-06-05 03:50 - Carly2004 im Themenstart) kann mir einer ein Tipp geben? \quoteoff $S_n$ ist Erlang-verteilt.\(\endgroup\)


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Carly2004
Wenig Aktiv Letzter Besuch: vor mehr als 3 Monaten
Dabei seit: 26.06.2022
Mitteilungen: 37
  Beitrag No.2, vom Themenstarter, eingetragen 2023-06-05

Ich kann damit leider immernoch nicht viel Anfangen. :(


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luis52
Senior Letzter Besuch: in der letzten Woche
Dabei seit: 24.12.2018
Mitteilungen: 1111
  Beitrag No.3, eingetragen 2023-06-05

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%**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} \newcommand{\diag}{\operatorname{diag}} %  diag \newcommand{\Diag}{\operatorname{Diag}} %  Diag \newcommand{\tr}{\operatorname{tr}}     %  Spur \newcommand{\rg}{\operatorname{rg}}     %  Rang \newcommand{\logit}{\operatorname{logit}} %  logit \newcommand{\sign}{\operatorname{sign}} %  logit \newcommand{\AR}{\operatorname{AR}}     %  AR-Prozess \newcommand{\MA}{\operatorname{MA}}     %  MA-Prozess \newcommand{\ARMA}{\operatorname{ARMA}}     %  ARMA-Prozess \newcommand{\VAR}{\operatorname{VAR}}     %  VAR-Prozess \newcommand{\spn}{\operatorname{span}} %  span %**************************************************************** %************************** Abkuerzungen ************************ %**************************************************************** \newcommand{\eps}{\epsilon} \newcommand{\veps}{\varepsilon} %**************************************************************** %************************** Miszellanien ************************ %**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} %**************************************************************** %************** Wahrscheinlichkeitsrechnung ********************* %**************************************************************** \newcommand{\dstr}[2]{\ensuremath{\mathcal{#1}(#2)}} \renewcommand{\dstr}[2]{\ensuremath{\mathtt{#1}(#2)}} \newcommand{\idd}{\ensuremath{\stackrel{d}{=}}} \newcommand{\ldd}{\ensuremath{\stackrel{d}{\le}}} \newcommand{\gdd}{\ensuremath{\stackrel{d}{\ge}}} \newcommand{\simdot}{\ensuremath{\stackrel{\cdot}{\sim}}} \newcommand{\asim}{\ensuremath{\stackrel{\,\mathrm{a}}{\sim}}} \newcommand {\plim}{\ensuremath{\operatorname*{plim}}} \newcommand{\Pto}{\ensuremath{\stackrel{\textup{P}}{\longrightarrow}}} \newcommand{\kiw}[2]{#1\ensuremath{\stackrel{\text{P}}{\longrightarrow}}#2} 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\newcommand{\mbb}{\mathbf{b}} \newcommand{\mbc}{\mathbf{c}} \newcommand{\mbd}{\mathbf{d}} \newcommand{\mbe}{\mathbf{e}} \newcommand{\mbf}{\mathbf{f}} \newcommand{\mbg}{\mathbf{g}} \newcommand{\mbh}{\mathbf{h}} \newcommand{\mbi}{\mathbf{i}} \newcommand{\mbj}{\mathbf{j}} \newcommand{\mbk}{\mathbf{k}} \newcommand{\mbl}{\mathbf{l}} \newcommand{\mbm}{\mathbf{m}} \newcommand{\mbn}{\mathbf{n}} \newcommand{\mbo}{\mathbf{o}} \newcommand{\mbp}{\mathbf{p}} \newcommand{\mbq}{\mathbf{q}} \newcommand{\mbr}{\mathbf{r}} \newcommand{\mbs}{\mathbf{s}} \newcommand{\mbt}{\mathbf{t}} \newcommand{\mbu}{\mathbf{u}} \newcommand{\mbv}{\mathbf{v}} \newcommand{\mbw}{\mathbf{w}} \newcommand{\mbx}{\mathbf{x}} \newcommand{\mby}{\mathbf{y}} \newcommand{\mbz}{\mathbf{z}} %-----  Fette Null und fette Eins -------------------------- \newcommand{\fatnull}{\mathbf{0}} \newcommand{\fateins}{\mathbf{1}} %-----  Fettes Nabla -------------------------- \newcommand{\bnabla}{\boldsymbol{\nabla}} %-----  Fette grosse griechische Buchstaben im Mathemodus  ----- \newcommand{\bGamma}{\boldsymbol{\Gamma}} \newcommand{\bDelta}{\boldsymbol{\Delta}} \newcommand{\bTheta}{\boldsymbol{\Theta}} \newcommand{\bLambda}{\boldsymbol{\Lambda}} \newcommand{\bXi}{\boldsymbol{\Xi}} \newcommand{\bPi}{\boldsymbol{\Pi}} \newcommand{\bSigma}{\boldsymbol{\Sigma}} \newcommand{\bUpsilon}{\boldsymbol{\Upsilon}} \newcommand{\bPhi}{\boldsymbol{\Phi}} \newcommand{\bPsi}{\boldsymbol{\Psi}} \newcommand{\bOmega}{\boldsymbol{\Omega}} %-----  Fette kleine griechische Buchstaben im Mathemodus  ----- \newcommand{\balpha}{\boldsymbol{\alpha}} \newcommand{\bbeta}{\boldsymbol{\beta}} \newcommand{\bgamma}{\boldsymbol{\gamma}} \newcommand{\bdelta}{\boldsymbol{\delta}} \newcommand{\beps}{\boldsymbol{\varepsilon}} \newcommand{\bzeta}{\boldsymbol{\zeta}} \newcommand{\boldeta}{\boldsymbol{\eta}} \newcommand{\btheta}{\boldsymbol{\theta}} \newcommand{\bvartheta}{\boldsymbol{\vartheta}} \newcommand{\biota}{\boldsymbol{\iota}} \newcommand{\bkappa}{\boldsymbol{\kappa}} \newcommand{\blambda}{\boldsymbol{\lambda}} \newcommand{\bmu}{\boldsymbol{\mu}} \newcommand{\bnu}{\boldsymbol{\nu}} \newcommand{\bxi}{\boldsymbol{\xi}} \newcommand{\bpi}{\boldsymbol{\pi}} \newcommand{\brho}{\boldsymbol{\rho}} \newcommand{\bvrho}{\boldsymbol{\varrho}} \newcommand{\bsigma}{\boldsymbol{\sigma}} \newcommand{\btau}{\boldsymbol{\tau}} \newcommand{\bupsilon}{\boldsymbol{\upsilon}} \newcommand{\bphi}{\boldsymbol{\phi}} \newcommand{\bvphi}{\boldsymbol{\varphi}} \newcommand{\bchi}{\boldsymbol{\chi}} \newcommand{\bpsi}{\boldsymbol{\psi}} \newcommand{\bomega}{\boldsymbol{\omega}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mcA}{\mathcal{A}} \newcommand{\mcB}{\mathcal{B}} \newcommand{\mcC}{\mathcal{C}} \newcommand{\mcD}{\mathcal{D}} \newcommand{\mcE}{\mathcal{E}} \newcommand{\mcF}{\mathcal{F}} \newcommand{\mcG}{\mathcal{G}} \newcommand{\mcH}{\mathcal{H}} \newcommand{\mcI}{\mathcal{I}} \newcommand{\mcJ}{\mathcal{J}} \newcommand{\mcK}{\mathcal{K}} \newcommand{\mcL}{\mathcal{L}} \newcommand{\mcM}{\mathcal{M}} \newcommand{\mcN}{\mathcal{N}} \newcommand{\mcO}{\mathcal{O}} \newcommand{\mcP}{\mathcal{P}} \newcommand{\mcQ}{\mathcal{Q}} \newcommand{\mcR}{\mathcal{R}} \newcommand{\mcS}{\mathcal{S}} \newcommand{\mcT}{\mathcal{T}} \newcommand{\mcU}{\mathcal{U}} \newcommand{\mcV}{\mathcal{V}} \newcommand{\mcW}{\mathcal{W}} \newcommand{\mcX}{\mathcal{X}} \newcommand{\mcY}{\mathcal{Y}} \newcommand{\mcZ}{\mathcal{Z}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mca}{\mathcal{A}} \newcommand{\mcb}{\mathcal{B}} \newcommand{\mcc}{\mathcal{C}} \newcommand{\mcd}{\mathcal{D}} \newcommand{\mce}{\mathcal{E}} \newcommand{\mcf}{\mathcal{F}} \newcommand{\mcg}{\mathcal{G}} \newcommand{\mch}{\mathcal{H}} \newcommand{\mci}{\mathcal{I}} \newcommand{\mcj}{\mathcal{J}} \newcommand{\mck}{\mathcal{K}} \newcommand{\mcl}{\mathcal{L}} \newcommand{\mcm}{\mathcal{M}} \newcommand{\mcn}{\mathcal{N}} \newcommand{\mco}{\mathcal{O}} \newcommand{\mcp}{\mathcal{P}} \newcommand{\mcq}{\mathcal{Q}} \newcommand{\mcr}{\mathcal{R}} \newcommand{\mcs}{\mathcal{S}} \newcommand{\mct}{\mathcal{T}} \newcommand{\mcu}{\mathcal{U}} \newcommand{\mcv}{\mathcal{V}} \newcommand{\mcw}{\mathcal{W}} \newcommand{\mcx}{\mathcal{X}} \newcommand{\mcy}{\mathcal{Y}} \newcommand{\mcz}{\mathcal{Z}} %----------  Doppelsumme ------------------------------------------ \newcommand{\dblsum}[1]{\ensuremath{\mathop{\sum\sum}\limits_{#1}}} %----------  \argmin und \argmax ------------------------------ \newcommand{\argmin}{\ensuremath{\operatorname*{arg{}min}}} \newcommand{\argmax}{\ensuremath{\operatorname*{arg{}max}}} %----------  Folgen  ------------------------------------------ \newcommand{\avec}[2]{#1_1,\ldots,#1_{#2}} \newcommand{\avecc}[2]{\ensuremath{#1_1,#1_2,\ldots,#1_{#2}}} \newcommand{\aveccc}[3]{\ensuremath{(#1_{#2},\ldots,#1_{#3})}} %----------  Geordnete Werte --------------------------------------- \newcommand{\ord}[2]{\ensuremath{#1_{(1)},\ldots,#1_{(#2)}}} \newcommand{\ordd}[2]{\ensuremath{#1_{(1)}\le#1_{(2)}\le\cdots\le#1_{(#2)}}} \newcommand{\ordstat}[2]{\ensuremath{#1_{(#2)}}} \newcommand{\ordne}[3]{\ensuremath{#1_{(1)}#3 #1_{(2)}#3\dots#3#1_{(#2)}}} \) \quoteon(2023-06-05 15:09 - Carly2004 in Beitrag No. 2) Ich kann damit leider immernoch nicht viel Anfangen. :( \quoteoff Die Verteilungsfunktion ist damit \[P(S_n\le x)=1-\sum_{j=0}^{n-1}\frac{(\lambda x)^j}{j!}e^{-\lambda x}\,,\quad x>0\,.\] \(\endgroup\)


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luis52
Senior Letzter Besuch: in der letzten Woche
Dabei seit: 24.12.2018
Mitteilungen: 1111
  Beitrag No.4, eingetragen 2023-06-06

Vielleicht kommt man auch alternativ mit der Markowschen Ungleichung weiter.


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Carly2004
Wenig Aktiv Letzter Besuch: vor mehr als 3 Monaten
Dabei seit: 26.06.2022
Mitteilungen: 37
  Beitrag No.5, vom Themenstarter, eingetragen 2023-06-08

Also ich ahbe es durchgerechnet, ich habe als Ergebnis: c=-log(1+\delta)-\lambda+1+\delta Kann das so stimmen


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luis52
Senior Letzter Besuch: in der letzten Woche
Dabei seit: 24.12.2018
Mitteilungen: 1111
  Beitrag No.6, eingetragen 2023-06-08

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%**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} \newcommand{\diag}{\operatorname{diag}} %  diag \newcommand{\Diag}{\operatorname{Diag}} %  Diag \newcommand{\tr}{\operatorname{tr}}     %  Spur \newcommand{\rg}{\operatorname{rg}}     %  Rang \newcommand{\logit}{\operatorname{logit}} %  logit \newcommand{\sign}{\operatorname{sign}} %  logit \newcommand{\AR}{\operatorname{AR}}     %  AR-Prozess \newcommand{\MA}{\operatorname{MA}}     %  MA-Prozess \newcommand{\ARMA}{\operatorname{ARMA}}     %  ARMA-Prozess \newcommand{\VAR}{\operatorname{VAR}}     %  VAR-Prozess \newcommand{\spn}{\operatorname{span}} %  span %**************************************************************** %************************** Abkuerzungen ************************ %**************************************************************** \newcommand{\eps}{\epsilon} \newcommand{\veps}{\varepsilon} %**************************************************************** %************************** Miszellanien ************************ %**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} %**************************************************************** %************** Wahrscheinlichkeitsrechnung ********************* %**************************************************************** \newcommand{\dstr}[2]{\ensuremath{\mathcal{#1}(#2)}} \renewcommand{\dstr}[2]{\ensuremath{\mathtt{#1}(#2)}} \newcommand{\idd}{\ensuremath{\stackrel{d}{=}}} \newcommand{\ldd}{\ensuremath{\stackrel{d}{\le}}} \newcommand{\gdd}{\ensuremath{\stackrel{d}{\ge}}} \newcommand{\simdot}{\ensuremath{\stackrel{\cdot}{\sim}}} \newcommand{\asim}{\ensuremath{\stackrel{\,\mathrm{a}}{\sim}}} \newcommand {\plim}{\ensuremath{\operatorname*{plim}}} \newcommand{\Pto}{\ensuremath{\stackrel{\textup{P}}{\longrightarrow}}} \newcommand{\kiw}[2]{#1\ensuremath{\stackrel{\text{P}}{\longrightarrow}}#2} \newcommand{\Dto}{\ensuremath{\stackrel{\text{D}}{\longrightarrow}}} \newcommand{\iVto}{\ensuremath{\stackrel{\text{i.V.}}{\longrightarrow}}} \newcommand{\iqmto}{\ensuremath{\stackrel{\text{i.q.M.}}{\longrightarrow}}} \newcommand{\kiqm}[2]{#1\ensuremath{\stackrel{\text{i.q.M.}}{\longrightarrow}}#2} \newcommand{\kiv}{\ensuremath{\stackrel{\text{i.V.}}{\longrightarrow}}} \newcommand{\Var}{\operatorname{Var}} \newcommand{\var}{\operatorname{Var}} \newcommand{\fVar}{\ensuremath{\mathbf{Var}}} \newcommand{\fvar}{\ensuremath{\mathbf{Var}}} \newcommand{\Corr}{\operatorname{Corr}} \newcommand{\corr}{\operatorname{Corr}} \newcommand{\cor}{\operatorname{Cor}} \newcommand{\fCorr}{\ensuremath{\mathbf{Corr}}} \newcommand{\fcorr}{\ensuremath{\mathbf{Corr}}} \newcommand{\fE}{\ensuremath{\mathbf{E}}} \newcommand{\E}{\operatorname{E}} \newcommand{\Cov}{\operatorname{Cov}} \newcommand{\cov}{\operatorname{Cov}} \newcommand{\fCov}{\ensuremath{\mathbf{Cov}}} \newcommand{\fcov}{\ensuremath{\mathbf{Cov}}} \newcommand{\MSE}{\operatorname{MSE}} %-------------  Fette grosse Buchstaben im Mathemodus ----------- \newcommand{\mbA}{\mathbf{A}} \newcommand{\mbB}{\mathbf{B}} \newcommand{\mbC}{\mathbf{C}} \newcommand{\mbD}{\mathbf{D}} \newcommand{\mbE}{\mathbf{E}} \newcommand{\mbF}{\mathbf{F}} \newcommand{\mbG}{\mathbf{G}} \newcommand{\mbH}{\mathbf{H}} \newcommand{\mbI}{\mathbf{I}} \newcommand{\mbJ}{\mathbf{J}} \newcommand{\mbK}{\mathbf{K}} \newcommand{\mbL}{\mathbf{L}} \newcommand{\mbM}{\mathbf{M}} \newcommand{\mbN}{\mathbf{N}} \newcommand{\mbO}{\mathbf{O}} \newcommand{\mbP}{\mathbf{P}} \newcommand{\mbQ}{\mathbf{Q}} \newcommand{\mbR}{\mathbf{R}} \newcommand{\mbS}{\mathbf{S}} \newcommand{\mbT}{\mathbf{T}} \newcommand{\mbU}{\mathbf{U}} \newcommand{\mbV}{\mathbf{V}} \newcommand{\mbW}{\mathbf{W}} \newcommand{\mbX}{\mathbf{X}} \newcommand{\mbY}{\mathbf{Y}} \newcommand{\mbZ}{\mathbf{Z}} %-------------  Fette kleine Buchstaben im Mathemodus ----------- \newcommand{\mba}{\mathbf{a}} \newcommand{\mbb}{\mathbf{b}} \newcommand{\mbc}{\mathbf{c}} \newcommand{\mbd}{\mathbf{d}} \newcommand{\mbe}{\mathbf{e}} \newcommand{\mbf}{\mathbf{f}} \newcommand{\mbg}{\mathbf{g}} \newcommand{\mbh}{\mathbf{h}} \newcommand{\mbi}{\mathbf{i}} \newcommand{\mbj}{\mathbf{j}} \newcommand{\mbk}{\mathbf{k}} \newcommand{\mbl}{\mathbf{l}} \newcommand{\mbm}{\mathbf{m}} \newcommand{\mbn}{\mathbf{n}} \newcommand{\mbo}{\mathbf{o}} \newcommand{\mbp}{\mathbf{p}} \newcommand{\mbq}{\mathbf{q}} \newcommand{\mbr}{\mathbf{r}} \newcommand{\mbs}{\mathbf{s}} \newcommand{\mbt}{\mathbf{t}} \newcommand{\mbu}{\mathbf{u}} \newcommand{\mbv}{\mathbf{v}} \newcommand{\mbw}{\mathbf{w}} \newcommand{\mbx}{\mathbf{x}} \newcommand{\mby}{\mathbf{y}} \newcommand{\mbz}{\mathbf{z}} %-----  Fette Null und fette Eins -------------------------- \newcommand{\fatnull}{\mathbf{0}} \newcommand{\fateins}{\mathbf{1}} %-----  Fettes Nabla -------------------------- \newcommand{\bnabla}{\boldsymbol{\nabla}} %-----  Fette grosse griechische Buchstaben im Mathemodus  ----- \newcommand{\bGamma}{\boldsymbol{\Gamma}} \newcommand{\bDelta}{\boldsymbol{\Delta}} \newcommand{\bTheta}{\boldsymbol{\Theta}} \newcommand{\bLambda}{\boldsymbol{\Lambda}} \newcommand{\bXi}{\boldsymbol{\Xi}} \newcommand{\bPi}{\boldsymbol{\Pi}} \newcommand{\bSigma}{\boldsymbol{\Sigma}} \newcommand{\bUpsilon}{\boldsymbol{\Upsilon}} \newcommand{\bPhi}{\boldsymbol{\Phi}} \newcommand{\bPsi}{\boldsymbol{\Psi}} \newcommand{\bOmega}{\boldsymbol{\Omega}} %-----  Fette kleine griechische Buchstaben im Mathemodus  ----- \newcommand{\balpha}{\boldsymbol{\alpha}} \newcommand{\bbeta}{\boldsymbol{\beta}} \newcommand{\bgamma}{\boldsymbol{\gamma}} \newcommand{\bdelta}{\boldsymbol{\delta}} \newcommand{\beps}{\boldsymbol{\varepsilon}} \newcommand{\bzeta}{\boldsymbol{\zeta}} \newcommand{\boldeta}{\boldsymbol{\eta}} \newcommand{\btheta}{\boldsymbol{\theta}} \newcommand{\bvartheta}{\boldsymbol{\vartheta}} \newcommand{\biota}{\boldsymbol{\iota}} \newcommand{\bkappa}{\boldsymbol{\kappa}} \newcommand{\blambda}{\boldsymbol{\lambda}} \newcommand{\bmu}{\boldsymbol{\mu}} \newcommand{\bnu}{\boldsymbol{\nu}} \newcommand{\bxi}{\boldsymbol{\xi}} \newcommand{\bpi}{\boldsymbol{\pi}} \newcommand{\brho}{\boldsymbol{\rho}} \newcommand{\bvrho}{\boldsymbol{\varrho}} \newcommand{\bsigma}{\boldsymbol{\sigma}} \newcommand{\btau}{\boldsymbol{\tau}} \newcommand{\bupsilon}{\boldsymbol{\upsilon}} \newcommand{\bphi}{\boldsymbol{\phi}} \newcommand{\bvphi}{\boldsymbol{\varphi}} \newcommand{\bchi}{\boldsymbol{\chi}} \newcommand{\bpsi}{\boldsymbol{\psi}} \newcommand{\bomega}{\boldsymbol{\omega}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mcA}{\mathcal{A}} \newcommand{\mcB}{\mathcal{B}} \newcommand{\mcC}{\mathcal{C}} \newcommand{\mcD}{\mathcal{D}} \newcommand{\mcE}{\mathcal{E}} \newcommand{\mcF}{\mathcal{F}} \newcommand{\mcG}{\mathcal{G}} \newcommand{\mcH}{\mathcal{H}} \newcommand{\mcI}{\mathcal{I}} \newcommand{\mcJ}{\mathcal{J}} \newcommand{\mcK}{\mathcal{K}} \newcommand{\mcL}{\mathcal{L}} \newcommand{\mcM}{\mathcal{M}} \newcommand{\mcN}{\mathcal{N}} \newcommand{\mcO}{\mathcal{O}} \newcommand{\mcP}{\mathcal{P}} \newcommand{\mcQ}{\mathcal{Q}} \newcommand{\mcR}{\mathcal{R}} \newcommand{\mcS}{\mathcal{S}} \newcommand{\mcT}{\mathcal{T}} \newcommand{\mcU}{\mathcal{U}} \newcommand{\mcV}{\mathcal{V}} \newcommand{\mcW}{\mathcal{W}} \newcommand{\mcX}{\mathcal{X}} \newcommand{\mcY}{\mathcal{Y}} \newcommand{\mcZ}{\mathcal{Z}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mca}{\mathcal{A}} \newcommand{\mcb}{\mathcal{B}} \newcommand{\mcc}{\mathcal{C}} \newcommand{\mcd}{\mathcal{D}} \newcommand{\mce}{\mathcal{E}} \newcommand{\mcf}{\mathcal{F}} \newcommand{\mcg}{\mathcal{G}} \newcommand{\mch}{\mathcal{H}} \newcommand{\mci}{\mathcal{I}} \newcommand{\mcj}{\mathcal{J}} \newcommand{\mck}{\mathcal{K}} \newcommand{\mcl}{\mathcal{L}} \newcommand{\mcm}{\mathcal{M}} \newcommand{\mcn}{\mathcal{N}} \newcommand{\mco}{\mathcal{O}} \newcommand{\mcp}{\mathcal{P}} \newcommand{\mcq}{\mathcal{Q}} \newcommand{\mcr}{\mathcal{R}} \newcommand{\mcs}{\mathcal{S}} \newcommand{\mct}{\mathcal{T}} \newcommand{\mcu}{\mathcal{U}} \newcommand{\mcv}{\mathcal{V}} \newcommand{\mcw}{\mathcal{W}} \newcommand{\mcx}{\mathcal{X}} \newcommand{\mcy}{\mathcal{Y}} \newcommand{\mcz}{\mathcal{Z}} %----------  Doppelsumme ------------------------------------------ \newcommand{\dblsum}[1]{\ensuremath{\mathop{\sum\sum}\limits_{#1}}} %----------  \argmin und \argmax ------------------------------ \newcommand{\argmin}{\ensuremath{\operatorname*{arg{}min}}} \newcommand{\argmax}{\ensuremath{\operatorname*{arg{}max}}} %----------  Folgen  ------------------------------------------ \newcommand{\avec}[2]{#1_1,\ldots,#1_{#2}} \newcommand{\avecc}[2]{\ensuremath{#1_1,#1_2,\ldots,#1_{#2}}} \newcommand{\aveccc}[3]{\ensuremath{(#1_{#2},\ldots,#1_{#3})}} %----------  Geordnete Werte --------------------------------------- \newcommand{\ord}[2]{\ensuremath{#1_{(1)},\ldots,#1_{(#2)}}} \newcommand{\ordd}[2]{\ensuremath{#1_{(1)}\le#1_{(2)}\le\cdots\le#1_{(#2)}}} \newcommand{\ordstat}[2]{\ensuremath{#1_{(#2)}}} \newcommand{\ordne}[3]{\ensuremath{#1_{(1)}#3 #1_{(2)}#3\dots#3#1_{(#2)}}} \) \quoteon(2023-06-08 17:03 - Carly2004 in Beitrag No. 5) Also ich ahbe es durchgerechnet, ich habe als Ergebnis: c=-log(1+\delta)-\lambda+1+\delta Kann das so stimmen \quoteoff Hm, "deine" obere Schranke lautet also \[\exp(-cn)=\exp(-(-\log(1+\delta)-\lambda+1+\delta)n))\,,\] korrekt? Fuer $n=2$, $\lambda=2$ und $\delta=1$ erhaelt man so: \sourceon R R> n <-2 R> lambda <- 2 R> delta <-1 R> exp(-(-log(1+delta)-lambda+1+delta)*n) [1] 4 \sourceoff Arg konservativ, findest du nicht? Wie waere es, wenn du deine Herleitung mal vorstellst? \(\endgroup\)


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Carly2004
Wenig Aktiv Letzter Besuch: vor mehr als 3 Monaten
Dabei seit: 26.06.2022
Mitteilungen: 37
  Beitrag No.7, vom Themenstarter, eingetragen 2023-06-09

Ok. P(1/n*S_n>=(1+\delta)E(X_1)) =P(S_n>=n*(1+\delta)E(X_1)) <=exp[-tn(1+\delta)E(X_1)]E(exp[t*S_n]) =exp[-tn(1+\delta)E(X_1)]M_(X1)^n =exp[n(logM_(X1)(t))-t(1+\delta)E(X_1))] Minimiere g(t)=logM_(X1)(t))-t(1+\delta)E(X_1))=log(\lambda/(\lambda-t))-t(1+\delta)1/\lambda Da habe ich heraus t=\lambda-\lambda^2/(1+\delta)<\lambda (muss wegen M_(X1) gelten) Dann habe ich das t eingesetzt: =exp[n(log(\lambda/(\lambda+\lambda^2/(1+\delta)-\lambda)+(\lambda^2/(1+\delta)-\lambda)(1+\delta)1/\lambda)] =exp[n*log(1+\delta)+\lambda-(1+\delta))] =exp[-(-log(1+\delta)-\lambda+(1+\delta))n] =>c=-log(1+\delta)-\lambda+(1+\delta)


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luis52
Senior Letzter Besuch: in der letzten Woche
Dabei seit: 24.12.2018
Mitteilungen: 1111
  Beitrag No.8, eingetragen 2023-06-09

\(\begingroup\)\(\newcommand{\diag}{\operatorname{diag}} %  diag \newcommand{\Diag}{\operatorname{Diag}} %  Diag \newcommand{\tr}{\operatorname{tr}}     %  Spur \newcommand{\rg}{\operatorname{rg}}     %  Rang \newcommand{\logit}{\operatorname{logit}} %  logit \newcommand{\sign}{\operatorname{sign}} %  logit \newcommand{\AR}{\operatorname{AR}}     %  AR-Prozess \newcommand{\MA}{\operatorname{MA}}     %  MA-Prozess \newcommand{\ARMA}{\operatorname{ARMA}}     %  ARMA-Prozess \newcommand{\VAR}{\operatorname{VAR}}     %  VAR-Prozess \newcommand{\spn}{\operatorname{span}} %  span %**************************************************************** %************************** Abkuerzungen ************************ %**************************************************************** \newcommand{\eps}{\ensuremath{\epsilon}} \newcommand{\veps}{\ensuremath{\varepsilon}} %**************************************************************** %************************** Miszellanien ************************ %**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} \newcommand{\diag}{\operatorname{diag}} %  diag \newcommand{\Diag}{\operatorname{Diag}} %  Diag \newcommand{\tr}{\operatorname{tr}}     %  Spur \newcommand{\rg}{\operatorname{rg}}     %  Rang \newcommand{\logit}{\operatorname{logit}} %  logit \newcommand{\sign}{\operatorname{sign}} %  logit \newcommand{\AR}{\operatorname{AR}}     %  AR-Prozess \newcommand{\MA}{\operatorname{MA}}     %  MA-Prozess \newcommand{\ARMA}{\operatorname{ARMA}}     %  ARMA-Prozess \newcommand{\VAR}{\operatorname{VAR}}     %  VAR-Prozess \newcommand{\spn}{\operatorname{span}} %  span %**************************************************************** %************************** Abkuerzungen ************************ %**************************************************************** \newcommand{\eps}{\epsilon} \newcommand{\veps}{\varepsilon} %**************************************************************** %************************** Miszellanien ************************ %**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} %**************************************************************** %************** Wahrscheinlichkeitsrechnung ********************* %**************************************************************** \newcommand{\dstr}[2]{\ensuremath{\mathcal{#1}(#2)}} \renewcommand{\dstr}[2]{\ensuremath{\mathtt{#1}(#2)}} \newcommand{\idd}{\ensuremath{\stackrel{d}{=}}} \newcommand{\ldd}{\ensuremath{\stackrel{d}{\le}}} \newcommand{\gdd}{\ensuremath{\stackrel{d}{\ge}}} \newcommand{\simdot}{\ensuremath{\stackrel{\cdot}{\sim}}} \newcommand{\asim}{\ensuremath{\stackrel{\,\mathrm{a}}{\sim}}} \newcommand {\plim}{\ensuremath{\operatorname*{plim}}} \newcommand{\Pto}{\ensuremath{\stackrel{\textup{P}}{\longrightarrow}}} \newcommand{\kiw}[2]{#1\ensuremath{\stackrel{\text{P}}{\longrightarrow}}#2} \newcommand{\Dto}{\ensuremath{\stackrel{\text{D}}{\longrightarrow}}} \newcommand{\iVto}{\ensuremath{\stackrel{\text{i.V.}}{\longrightarrow}}} \newcommand{\iqmto}{\ensuremath{\stackrel{\text{i.q.M.}}{\longrightarrow}}} \newcommand{\kiqm}[2]{#1\ensuremath{\stackrel{\text{i.q.M.}}{\longrightarrow}}#2} \newcommand{\kiv}{\ensuremath{\stackrel{\text{i.V.}}{\longrightarrow}}} \newcommand{\Var}{\operatorname{Var}} \newcommand{\var}{\operatorname{Var}} \newcommand{\fVar}{\ensuremath{\mathbf{Var}}} \newcommand{\fvar}{\ensuremath{\mathbf{Var}}} \newcommand{\Corr}{\operatorname{Corr}} \newcommand{\corr}{\operatorname{Corr}} \newcommand{\cor}{\operatorname{Cor}} \newcommand{\fCorr}{\ensuremath{\mathbf{Corr}}} \newcommand{\fcorr}{\ensuremath{\mathbf{Corr}}} \newcommand{\fE}{\ensuremath{\mathbf{E}}} \newcommand{\E}{\operatorname{E}} \newcommand{\Cov}{\operatorname{Cov}} \newcommand{\cov}{\operatorname{Cov}} \newcommand{\fCov}{\ensuremath{\mathbf{Cov}}} \newcommand{\fcov}{\ensuremath{\mathbf{Cov}}} \newcommand{\MSE}{\operatorname{MSE}} %-------------  Fette grosse Buchstaben im Mathemodus ----------- \newcommand{\mbA}{\mathbf{A}} \newcommand{\mbB}{\mathbf{B}} \newcommand{\mbC}{\mathbf{C}} \newcommand{\mbD}{\mathbf{D}} \newcommand{\mbE}{\mathbf{E}} \newcommand{\mbF}{\mathbf{F}} \newcommand{\mbG}{\mathbf{G}} \newcommand{\mbH}{\mathbf{H}} \newcommand{\mbI}{\mathbf{I}} \newcommand{\mbJ}{\mathbf{J}} \newcommand{\mbK}{\mathbf{K}} \newcommand{\mbL}{\mathbf{L}} \newcommand{\mbM}{\mathbf{M}} \newcommand{\mbN}{\mathbf{N}} \newcommand{\mbO}{\mathbf{O}} \newcommand{\mbP}{\mathbf{P}} \newcommand{\mbQ}{\mathbf{Q}} \newcommand{\mbR}{\mathbf{R}} \newcommand{\mbS}{\mathbf{S}} \newcommand{\mbT}{\mathbf{T}} \newcommand{\mbU}{\mathbf{U}} \newcommand{\mbV}{\mathbf{V}} \newcommand{\mbW}{\mathbf{W}} \newcommand{\mbX}{\mathbf{X}} \newcommand{\mbY}{\mathbf{Y}} \newcommand{\mbZ}{\mathbf{Z}} %-------------  Fette kleine Buchstaben im Mathemodus ----------- \newcommand{\mba}{\mathbf{a}} \newcommand{\mbb}{\mathbf{b}} \newcommand{\mbc}{\mathbf{c}} \newcommand{\mbd}{\mathbf{d}} \newcommand{\mbe}{\mathbf{e}} \newcommand{\mbf}{\mathbf{f}} \newcommand{\mbg}{\mathbf{g}} \newcommand{\mbh}{\mathbf{h}} \newcommand{\mbi}{\mathbf{i}} \newcommand{\mbj}{\mathbf{j}} \newcommand{\mbk}{\mathbf{k}} \newcommand{\mbl}{\mathbf{l}} \newcommand{\mbm}{\mathbf{m}} \newcommand{\mbn}{\mathbf{n}} \newcommand{\mbo}{\mathbf{o}} \newcommand{\mbp}{\mathbf{p}} \newcommand{\mbq}{\mathbf{q}} \newcommand{\mbr}{\mathbf{r}} \newcommand{\mbs}{\mathbf{s}} \newcommand{\mbt}{\mathbf{t}} \newcommand{\mbu}{\mathbf{u}} \newcommand{\mbv}{\mathbf{v}} \newcommand{\mbw}{\mathbf{w}} \newcommand{\mbx}{\mathbf{x}} \newcommand{\mby}{\mathbf{y}} \newcommand{\mbz}{\mathbf{z}} %-----  Fette Null und fette Eins -------------------------- \newcommand{\fatnull}{\mathbf{0}} \newcommand{\fateins}{\mathbf{1}} %-----  Fettes Nabla -------------------------- \newcommand{\bnabla}{\boldsymbol{\nabla}} %-----  Fette grosse griechische Buchstaben im Mathemodus  ----- \newcommand{\bGamma}{\boldsymbol{\Gamma}} \newcommand{\bDelta}{\boldsymbol{\Delta}} \newcommand{\bTheta}{\boldsymbol{\Theta}} \newcommand{\bLambda}{\boldsymbol{\Lambda}} \newcommand{\bXi}{\boldsymbol{\Xi}} \newcommand{\bPi}{\boldsymbol{\Pi}} \newcommand{\bSigma}{\boldsymbol{\Sigma}} \newcommand{\bUpsilon}{\boldsymbol{\Upsilon}} \newcommand{\bPhi}{\boldsymbol{\Phi}} \newcommand{\bPsi}{\boldsymbol{\Psi}} \newcommand{\bOmega}{\boldsymbol{\Omega}} %-----  Fette kleine griechische Buchstaben im Mathemodus  ----- \newcommand{\balpha}{\boldsymbol{\alpha}} \newcommand{\bbeta}{\boldsymbol{\beta}} \newcommand{\bgamma}{\boldsymbol{\gamma}} \newcommand{\bdelta}{\boldsymbol{\delta}} \newcommand{\beps}{\boldsymbol{\varepsilon}} \newcommand{\bzeta}{\boldsymbol{\zeta}} \newcommand{\boldeta}{\boldsymbol{\eta}} \newcommand{\btheta}{\boldsymbol{\theta}} \newcommand{\bvartheta}{\boldsymbol{\vartheta}} \newcommand{\biota}{\boldsymbol{\iota}} \newcommand{\bkappa}{\boldsymbol{\kappa}} \newcommand{\blambda}{\boldsymbol{\lambda}} \newcommand{\bmu}{\boldsymbol{\mu}} \newcommand{\bnu}{\boldsymbol{\nu}} \newcommand{\bxi}{\boldsymbol{\xi}} \newcommand{\bpi}{\boldsymbol{\pi}} \newcommand{\brho}{\boldsymbol{\rho}} \newcommand{\bvrho}{\boldsymbol{\varrho}} \newcommand{\bsigma}{\boldsymbol{\sigma}} \newcommand{\btau}{\boldsymbol{\tau}} \newcommand{\bupsilon}{\boldsymbol{\upsilon}} \newcommand{\bphi}{\boldsymbol{\phi}} \newcommand{\bvphi}{\boldsymbol{\varphi}} \newcommand{\bchi}{\boldsymbol{\chi}} \newcommand{\bpsi}{\boldsymbol{\psi}} \newcommand{\bomega}{\boldsymbol{\omega}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mcA}{\mathcal{A}} \newcommand{\mcB}{\mathcal{B}} \newcommand{\mcC}{\mathcal{C}} \newcommand{\mcD}{\mathcal{D}} \newcommand{\mcE}{\mathcal{E}} \newcommand{\mcF}{\mathcal{F}} \newcommand{\mcG}{\mathcal{G}} \newcommand{\mcH}{\mathcal{H}} \newcommand{\mcI}{\mathcal{I}} \newcommand{\mcJ}{\mathcal{J}} \newcommand{\mcK}{\mathcal{K}} \newcommand{\mcL}{\mathcal{L}} \newcommand{\mcM}{\mathcal{M}} \newcommand{\mcN}{\mathcal{N}} \newcommand{\mcO}{\mathcal{O}} \newcommand{\mcP}{\mathcal{P}} \newcommand{\mcQ}{\mathcal{Q}} \newcommand{\mcR}{\mathcal{R}} \newcommand{\mcS}{\mathcal{S}} \newcommand{\mcT}{\mathcal{T}} \newcommand{\mcU}{\mathcal{U}} \newcommand{\mcV}{\mathcal{V}} \newcommand{\mcW}{\mathcal{W}} \newcommand{\mcX}{\mathcal{X}} \newcommand{\mcY}{\mathcal{Y}} \newcommand{\mcZ}{\mathcal{Z}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mca}{\mathcal{A}} \newcommand{\mcb}{\mathcal{B}} \newcommand{\mcc}{\mathcal{C}} \newcommand{\mcd}{\mathcal{D}} \newcommand{\mce}{\mathcal{E}} \newcommand{\mcf}{\mathcal{F}} \newcommand{\mcg}{\mathcal{G}} \newcommand{\mch}{\mathcal{H}} \newcommand{\mci}{\mathcal{I}} \newcommand{\mcj}{\mathcal{J}} \newcommand{\mck}{\mathcal{K}} \newcommand{\mcl}{\mathcal{L}} \newcommand{\mcm}{\mathcal{M}} \newcommand{\mcn}{\mathcal{N}} \newcommand{\mco}{\mathcal{O}} \newcommand{\mcp}{\mathcal{P}} \newcommand{\mcq}{\mathcal{Q}} \newcommand{\mcr}{\mathcal{R}} \newcommand{\mcs}{\mathcal{S}} \newcommand{\mct}{\mathcal{T}} \newcommand{\mcu}{\mathcal{U}} \newcommand{\mcv}{\mathcal{V}} \newcommand{\mcw}{\mathcal{W}} \newcommand{\mcx}{\mathcal{X}} \newcommand{\mcy}{\mathcal{Y}} \newcommand{\mcz}{\mathcal{Z}} %----------  Doppelsumme ------------------------------------------ \newcommand{\dblsum}[1]{\ensuremath{\mathop{\sum\sum}\limits_{#1}}} %----------  \argmin und \argmax ------------------------------ \newcommand{\argmin}{\ensuremath{\operatorname*{arg{}min}}} \newcommand{\argmax}{\ensuremath{\operatorname*{arg{}max}}} %----------  Folgen  ------------------------------------------ \newcommand{\avec}[2]{#1_1,\ldots,#1_{#2}} \newcommand{\avecc}[2]{\ensuremath{#1_1,#1_2,\ldots,#1_{#2}}} \newcommand{\aveccc}[3]{\ensuremath{(#1_{#2},\ldots,#1_{#3})}} %----------  Geordnete Werte --------------------------------------- \newcommand{\ord}[2]{\ensuremath{#1_{(1)},\ldots,#1_{(#2)}}} \newcommand{\ordd}[2]{\ensuremath{#1_{(1)}\le#1_{(2)}\le\cdots\le#1_{(#2)}}} \newcommand{\ordstat}[2]{\ensuremath{#1_{(#2)}}} \newcommand{\ordne}[3]{\ensuremath{#1_{(1)}#3 #1_{(2)}#3\dots#3#1_{(#2)}}} \) Die erste Ungleichung \[P(S_n\ge n(1+\delta)\E(X_1))\le \exp[-tn(1+\delta)\E(X_1)]\E(\exp[tS_n])\] verstehe ich ueberhaupt nicht. Wo kommt sie her? Was ist $t$? Uebrigens $\E(X_1)=1/\lambda$ ... \(\endgroup\)


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Carly2004
Wenig Aktiv Letzter Besuch: vor mehr als 3 Monaten
Dabei seit: 26.06.2022
Mitteilungen: 37
  Beitrag No.9, vom Themenstarter, eingetragen 2023-06-09

Aus der Markov-Ungleichung mit f(x)=e^tx mit t>0


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luis52
Senior Letzter Besuch: in der letzten Woche
Dabei seit: 24.12.2018
Mitteilungen: 1111
  Beitrag No.10, eingetragen 2023-06-09

\(\begingroup\)\(\newcommand{\diag}{\operatorname{diag}} %  diag \newcommand{\Diag}{\operatorname{Diag}} %  Diag \newcommand{\tr}{\operatorname{tr}}     %  Spur \newcommand{\rg}{\operatorname{rg}}     %  Rang \newcommand{\logit}{\operatorname{logit}} %  logit \newcommand{\sign}{\operatorname{sign}} %  logit \newcommand{\AR}{\operatorname{AR}}     %  AR-Prozess \newcommand{\MA}{\operatorname{MA}}     %  MA-Prozess \newcommand{\ARMA}{\operatorname{ARMA}}     %  ARMA-Prozess \newcommand{\VAR}{\operatorname{VAR}}     %  VAR-Prozess \newcommand{\spn}{\operatorname{span}} %  span %**************************************************************** %************************** Abkuerzungen ************************ %**************************************************************** \newcommand{\eps}{\ensuremath{\epsilon}} \newcommand{\veps}{\ensuremath{\varepsilon}} %**************************************************************** %************************** Miszellanien ************************ %**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} \newcommand{\diag}{\operatorname{diag}} %  diag \newcommand{\Diag}{\operatorname{Diag}} %  Diag \newcommand{\tr}{\operatorname{tr}}     %  Spur \newcommand{\rg}{\operatorname{rg}}     %  Rang \newcommand{\logit}{\operatorname{logit}} %  logit \newcommand{\sign}{\operatorname{sign}} %  logit \newcommand{\AR}{\operatorname{AR}}     %  AR-Prozess \newcommand{\MA}{\operatorname{MA}}     %  MA-Prozess \newcommand{\ARMA}{\operatorname{ARMA}}     %  ARMA-Prozess \newcommand{\VAR}{\operatorname{VAR}}     %  VAR-Prozess \newcommand{\spn}{\operatorname{span}} %  span %**************************************************************** %************************** Abkuerzungen ************************ %**************************************************************** \newcommand{\eps}{\epsilon} \newcommand{\veps}{\varepsilon} %**************************************************************** %************************** Miszellanien ************************ %**************************************************************** \newcommand{\mlink}[1]{\qquad\text{#1}\qquad} %**************************************************************** %************** Wahrscheinlichkeitsrechnung ********************* %**************************************************************** \newcommand{\dstr}[2]{\ensuremath{\mathcal{#1}(#2)}} \renewcommand{\dstr}[2]{\ensuremath{\mathtt{#1}(#2)}} \newcommand{\idd}{\ensuremath{\stackrel{d}{=}}} \newcommand{\ldd}{\ensuremath{\stackrel{d}{\le}}} \newcommand{\gdd}{\ensuremath{\stackrel{d}{\ge}}} \newcommand{\simdot}{\ensuremath{\stackrel{\cdot}{\sim}}} \newcommand{\asim}{\ensuremath{\stackrel{\,\mathrm{a}}{\sim}}} \newcommand {\plim}{\ensuremath{\operatorname*{plim}}} \newcommand{\Pto}{\ensuremath{\stackrel{\textup{P}}{\longrightarrow}}} \newcommand{\kiw}[2]{#1\ensuremath{\stackrel{\text{P}}{\longrightarrow}}#2} \newcommand{\Dto}{\ensuremath{\stackrel{\text{D}}{\longrightarrow}}} \newcommand{\iVto}{\ensuremath{\stackrel{\text{i.V.}}{\longrightarrow}}} \newcommand{\iqmto}{\ensuremath{\stackrel{\text{i.q.M.}}{\longrightarrow}}} \newcommand{\kiqm}[2]{#1\ensuremath{\stackrel{\text{i.q.M.}}{\longrightarrow}}#2} \newcommand{\kiv}{\ensuremath{\stackrel{\text{i.V.}}{\longrightarrow}}} \newcommand{\Var}{\operatorname{Var}} \newcommand{\var}{\operatorname{Var}} \newcommand{\fVar}{\ensuremath{\mathbf{Var}}} \newcommand{\fvar}{\ensuremath{\mathbf{Var}}} \newcommand{\Corr}{\operatorname{Corr}} \newcommand{\corr}{\operatorname{Corr}} \newcommand{\cor}{\operatorname{Cor}} \newcommand{\fCorr}{\ensuremath{\mathbf{Corr}}} \newcommand{\fcorr}{\ensuremath{\mathbf{Corr}}} \newcommand{\fE}{\ensuremath{\mathbf{E}}} \newcommand{\E}{\operatorname{E}} \newcommand{\Cov}{\operatorname{Cov}} \newcommand{\cov}{\operatorname{Cov}} \newcommand{\fCov}{\ensuremath{\mathbf{Cov}}} \newcommand{\fcov}{\ensuremath{\mathbf{Cov}}} \newcommand{\MSE}{\operatorname{MSE}} %-------------  Fette grosse Buchstaben im Mathemodus ----------- \newcommand{\mbA}{\mathbf{A}} \newcommand{\mbB}{\mathbf{B}} \newcommand{\mbC}{\mathbf{C}} \newcommand{\mbD}{\mathbf{D}} \newcommand{\mbE}{\mathbf{E}} \newcommand{\mbF}{\mathbf{F}} \newcommand{\mbG}{\mathbf{G}} \newcommand{\mbH}{\mathbf{H}} \newcommand{\mbI}{\mathbf{I}} \newcommand{\mbJ}{\mathbf{J}} \newcommand{\mbK}{\mathbf{K}} \newcommand{\mbL}{\mathbf{L}} \newcommand{\mbM}{\mathbf{M}} \newcommand{\mbN}{\mathbf{N}} \newcommand{\mbO}{\mathbf{O}} \newcommand{\mbP}{\mathbf{P}} \newcommand{\mbQ}{\mathbf{Q}} \newcommand{\mbR}{\mathbf{R}} \newcommand{\mbS}{\mathbf{S}} \newcommand{\mbT}{\mathbf{T}} \newcommand{\mbU}{\mathbf{U}} \newcommand{\mbV}{\mathbf{V}} \newcommand{\mbW}{\mathbf{W}} \newcommand{\mbX}{\mathbf{X}} \newcommand{\mbY}{\mathbf{Y}} \newcommand{\mbZ}{\mathbf{Z}} %-------------  Fette kleine Buchstaben im Mathemodus ----------- \newcommand{\mba}{\mathbf{a}} \newcommand{\mbb}{\mathbf{b}} \newcommand{\mbc}{\mathbf{c}} \newcommand{\mbd}{\mathbf{d}} \newcommand{\mbe}{\mathbf{e}} \newcommand{\mbf}{\mathbf{f}} \newcommand{\mbg}{\mathbf{g}} \newcommand{\mbh}{\mathbf{h}} \newcommand{\mbi}{\mathbf{i}} \newcommand{\mbj}{\mathbf{j}} \newcommand{\mbk}{\mathbf{k}} \newcommand{\mbl}{\mathbf{l}} \newcommand{\mbm}{\mathbf{m}} \newcommand{\mbn}{\mathbf{n}} \newcommand{\mbo}{\mathbf{o}} \newcommand{\mbp}{\mathbf{p}} \newcommand{\mbq}{\mathbf{q}} \newcommand{\mbr}{\mathbf{r}} \newcommand{\mbs}{\mathbf{s}} \newcommand{\mbt}{\mathbf{t}} \newcommand{\mbu}{\mathbf{u}} \newcommand{\mbv}{\mathbf{v}} \newcommand{\mbw}{\mathbf{w}} \newcommand{\mbx}{\mathbf{x}} \newcommand{\mby}{\mathbf{y}} \newcommand{\mbz}{\mathbf{z}} %-----  Fette Null und fette Eins -------------------------- \newcommand{\fatnull}{\mathbf{0}} \newcommand{\fateins}{\mathbf{1}} %-----  Fettes Nabla -------------------------- \newcommand{\bnabla}{\boldsymbol{\nabla}} %-----  Fette grosse griechische Buchstaben im Mathemodus  ----- \newcommand{\bGamma}{\boldsymbol{\Gamma}} \newcommand{\bDelta}{\boldsymbol{\Delta}} \newcommand{\bTheta}{\boldsymbol{\Theta}} \newcommand{\bLambda}{\boldsymbol{\Lambda}} \newcommand{\bXi}{\boldsymbol{\Xi}} \newcommand{\bPi}{\boldsymbol{\Pi}} \newcommand{\bSigma}{\boldsymbol{\Sigma}} \newcommand{\bUpsilon}{\boldsymbol{\Upsilon}} \newcommand{\bPhi}{\boldsymbol{\Phi}} \newcommand{\bPsi}{\boldsymbol{\Psi}} \newcommand{\bOmega}{\boldsymbol{\Omega}} %-----  Fette kleine griechische Buchstaben im Mathemodus  ----- \newcommand{\balpha}{\boldsymbol{\alpha}} \newcommand{\bbeta}{\boldsymbol{\beta}} \newcommand{\bgamma}{\boldsymbol{\gamma}} \newcommand{\bdelta}{\boldsymbol{\delta}} \newcommand{\beps}{\boldsymbol{\varepsilon}} \newcommand{\bzeta}{\boldsymbol{\zeta}} \newcommand{\boldeta}{\boldsymbol{\eta}} \newcommand{\btheta}{\boldsymbol{\theta}} \newcommand{\bvartheta}{\boldsymbol{\vartheta}} \newcommand{\biota}{\boldsymbol{\iota}} \newcommand{\bkappa}{\boldsymbol{\kappa}} \newcommand{\blambda}{\boldsymbol{\lambda}} \newcommand{\bmu}{\boldsymbol{\mu}} \newcommand{\bnu}{\boldsymbol{\nu}} \newcommand{\bxi}{\boldsymbol{\xi}} \newcommand{\bpi}{\boldsymbol{\pi}} \newcommand{\brho}{\boldsymbol{\rho}} \newcommand{\bvrho}{\boldsymbol{\varrho}} \newcommand{\bsigma}{\boldsymbol{\sigma}} \newcommand{\btau}{\boldsymbol{\tau}} \newcommand{\bupsilon}{\boldsymbol{\upsilon}} \newcommand{\bphi}{\boldsymbol{\phi}} \newcommand{\bvphi}{\boldsymbol{\varphi}} \newcommand{\bchi}{\boldsymbol{\chi}} \newcommand{\bpsi}{\boldsymbol{\psi}} \newcommand{\bomega}{\boldsymbol{\omega}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mcA}{\mathcal{A}} \newcommand{\mcB}{\mathcal{B}} \newcommand{\mcC}{\mathcal{C}} \newcommand{\mcD}{\mathcal{D}} \newcommand{\mcE}{\mathcal{E}} \newcommand{\mcF}{\mathcal{F}} \newcommand{\mcG}{\mathcal{G}} \newcommand{\mcH}{\mathcal{H}} \newcommand{\mcI}{\mathcal{I}} \newcommand{\mcJ}{\mathcal{J}} \newcommand{\mcK}{\mathcal{K}} \newcommand{\mcL}{\mathcal{L}} \newcommand{\mcM}{\mathcal{M}} \newcommand{\mcN}{\mathcal{N}} \newcommand{\mcO}{\mathcal{O}} \newcommand{\mcP}{\mathcal{P}} \newcommand{\mcQ}{\mathcal{Q}} \newcommand{\mcR}{\mathcal{R}} \newcommand{\mcS}{\mathcal{S}} \newcommand{\mcT}{\mathcal{T}} \newcommand{\mcU}{\mathcal{U}} \newcommand{\mcV}{\mathcal{V}} \newcommand{\mcW}{\mathcal{W}} \newcommand{\mcX}{\mathcal{X}} \newcommand{\mcY}{\mathcal{Y}} \newcommand{\mcZ}{\mathcal{Z}} %-----------  Kalligraphische Buchstaben im Mathemodus \newcommand{\mca}{\mathcal{A}} \newcommand{\mcb}{\mathcal{B}} \newcommand{\mcc}{\mathcal{C}} \newcommand{\mcd}{\mathcal{D}} \newcommand{\mce}{\mathcal{E}} \newcommand{\mcf}{\mathcal{F}} \newcommand{\mcg}{\mathcal{G}} \newcommand{\mch}{\mathcal{H}} \newcommand{\mci}{\mathcal{I}} \newcommand{\mcj}{\mathcal{J}} \newcommand{\mck}{\mathcal{K}} \newcommand{\mcl}{\mathcal{L}} \newcommand{\mcm}{\mathcal{M}} \newcommand{\mcn}{\mathcal{N}} \newcommand{\mco}{\mathcal{O}} \newcommand{\mcp}{\mathcal{P}} \newcommand{\mcq}{\mathcal{Q}} \newcommand{\mcr}{\mathcal{R}} \newcommand{\mcs}{\mathcal{S}} \newcommand{\mct}{\mathcal{T}} \newcommand{\mcu}{\mathcal{U}} \newcommand{\mcv}{\mathcal{V}} \newcommand{\mcw}{\mathcal{W}} \newcommand{\mcx}{\mathcal{X}} \newcommand{\mcy}{\mathcal{Y}} \newcommand{\mcz}{\mathcal{Z}} %----------  Doppelsumme ------------------------------------------ \newcommand{\dblsum}[1]{\ensuremath{\mathop{\sum\sum}\limits_{#1}}} %----------  \argmin und \argmax ------------------------------ \newcommand{\argmin}{\ensuremath{\operatorname*{arg{}min}}} \newcommand{\argmax}{\ensuremath{\operatorname*{arg{}max}}} %----------  Folgen  ------------------------------------------ \newcommand{\avec}[2]{#1_1,\ldots,#1_{#2}} \newcommand{\avecc}[2]{\ensuremath{#1_1,#1_2,\ldots,#1_{#2}}} \newcommand{\aveccc}[3]{\ensuremath{(#1_{#2},\ldots,#1_{#3})}} %----------  Geordnete Werte --------------------------------------- \newcommand{\ord}[2]{\ensuremath{#1_{(1)},\ldots,#1_{(#2)}}} \newcommand{\ordd}[2]{\ensuremath{#1_{(1)}\le#1_{(2)}\le\cdots\le#1_{(#2)}}} \newcommand{\ordstat}[2]{\ensuremath{#1_{(#2)}}} \newcommand{\ordne}[3]{\ensuremath{#1_{(1)}#3 #1_{(2)}#3\dots#3#1_{(#2)}}} \) \quoteon(2023-06-09 17:10 - Carly2004 in Beitrag No. 9) Aus der Markov-Ungleichung mit f(x)=e^tx mit t>0 \quoteoff Das ergibt fuer mich keinen Sinn. Hier finde ich fuer eine Zufallsvariable $X$: \[P(|X|\ge a)\le\frac{\E[|X|]}{a}\] mit $a>0$. Angewendet auf $S_n=|S_n|$ ergibt sich \[P\left(S_n\ge\dfrac{n(1+\delta)}{\lambda}\right)\le\frac{\E[S_n]\lambda}{n(1+\delta)}\,.\] \(\endgroup\)


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