Let X be a random variable with discrete pdf f(x) = x/8 if x = 1, 2, 5, and zero otherwise.Find:(a) E(X).

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Answered: Let X be a random variable with…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 18E

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Let X be a random variable with discrete pdf f(x) = x/8 if x = 1, 2, 5, and zero otherwise. Find: (a) E(X).