Question: 18. Suppose that for a random variable X, E(Xn) = 2n, n = 1, 2, 3,... . Calculate the moment-generating function and the probability mass

18. Suppose that for a random variable X, E(Xn) = 2n, n = 1, 2, 3,... . Calculate the moment-generating function and the probability mass function of X. Use (11.2).

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