Question: The cdf of a discrete random variable Y is given in the following table: (a) Find EY, EY2, EY3, and Var (Y). (b) Find the

The cdf of a discrete random variable Y is given in the following table:
-1 -1 0.15 Fiy) 0.1 0.4 0.8

(a) Find EY, EY2, EY3, and Var (Y).
(b) Find the mgf of Y.

-1 -1 0.15 Fiy) 0.1 0.4 0.8

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