2- Let X be a random variable with the following probability density function: 4e-4x lo x >0 f(x) = {0 elsewhere Find a) E(2X+5). b) Var(X)

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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2- Let X be a random variable with the following probability
density function:
S4e
x>0
f(x) =
elsewhere
Find
a) E(2X+5).
b) Var(X)
Transcribed Image Text:2- Let X be a random variable with the following probability density function: S4e x>0 f(x) = elsewhere Find a) E(2X+5). b) Var(X)
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