Question: 3. Let X be a discrete random variable with the probability mass function p(i) = 2 *1 3 ,i , i = 1, 2, 3,...

3. Let X be a discrete random variable with the probability mass function p(i) = 2 *1 3 ,i , i = 1, 2, 3,... ; zero elsewhere. Find MX(t) and E(X).

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