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

3. Let X be a discrete random variable with the probability mass function

p(i) = 2(3), i=1,2,3,...; zero elsewhere.

Find MX(t) and E(X).

p(i) = 2(3), i=1,2,3,...; zero elsewhere.

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