Question: 10.8. Suppose that the mgf of a random variable X is of the form Mx(1) (0.4e+0.6)8. (a) What is the mgf of the random variable

10.8. Suppose that the mgf of a random variable X is of the form Mx(1) (0.4e+0.6)8.

(a) What is the mgf of the random variable Y = 3x + 2?

(b) Evaluate E(X).

(c) Can you check your answer to

(b) by some other method? [Try to "recognize" Mx(t).]

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