Question: 7. Compute (a) the mean and (b) the standard deviation of the random variable that has moment generating function (t) = 1/6 + 1/2 e^6t

7. Compute (a) the mean and (b) the standard deviation of the random variable that has moment generating function (t) = 1/6 + 1/2 e^6t + 1/3 e^12t .

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