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5.13 A random variable X has a mgf m(t) = per+ qe' +1-p -q, where p + q = 1. Find all the moments of

5.13 A random variable X has a mgf m(t) = per+ qe' +1-p -q, where p + q = 1. Find all the moments of X. 5.15 Find the mean of a geometric distribution with parameter p using mgfs

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