Question: A discrete random variable X has the probability distribution function f(x)= 121396 x=1 x=2 x = 3. (a) Find and . (b) Find M[X;t]. (c)

A discrete random variable X has the probability distribution functionf(x)= 121396 x=1 x=2 x = 3. (a) Find and . (b)

f(x)= 121396 x=1 x=2 x = 3. (a) Find and . (b) Find M[X;t]. (c) Verify the results in part (a) using the moment generating function.

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