If X is a beta random variable with parameters a and b, show that E[X] = a/a

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If X is a beta random variable with parameters a and b, show that
E[X] = a/a + b
Var(X) = ab/(a + b)2(a + b + 1)

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A First Course In Probability

ISBN: 9789332519077

9th Edition

Authors: Sheldon Ross

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Question Posted: Oct 22, 2015 02:56 AM

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If X is a beta random variable with parameters a and b, show that E[X] = a/a

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We use Equation 63 EX Ba 1 b BA b a 1 a ...View the full answer

A First Course In Probability

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