Q5. If a Geometric random variable X has the cumulative distribution function as follows, what is its expectation?P(X ≤ k) = 10.8k, k = 1,2,3,...(A) 0.2(B) 5(C) 0.8(D) 1.25(E) None of the above

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Answered: a Geometric random variable X has the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

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a Geometric random variable X has the cumulative distribution function as follows, what is its expectation? P(X ≤k) = 1-0.8k, k = 1,2,3,...