Revision as of 03:17, 9 June 2024 by Bot (Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> Prove that for any three events <math>A</math>, <math>B</math>, <math>C</math>, each having positive probability, and with the property that <math>P(A \cap B) > 0</math>, <math display="block"> P(A \cap B \cap C) = P(A)P(B|A)P(C|A \cap B)\ . </...")
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Jun 09'24

Exercise

[math] \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}[/math]

Prove that for any three events [math]A[/math], [math]B[/math], [math]C[/math], each having positive

probability, and with the property that [math]P(A \cap B) \gt 0[/math],

[[math]] P(A \cap B \cap C) = P(A)P(B|A)P(C|A \cap B)\ . [[/math]]