ippose that W is a (a = 3, 3 = })-gamma random variable and N is a µ = 3-Poisson random variable independent W.What is E [w*]? pte: pN (n) = P (N = n) = e n! un for u-Poisson random variable N. int: pmf for a (r,p)-negative binomial random variable is given by п — 1 pr (n) = P'(1 – p)" -", n= r,r +1,. r - 1

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