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Please Help I will give good rating! The probability distribution of a discrete random variable X is 2 Mx(t) get -2t e 3t 4 (a)

Please Help I will give good rating!

The probability distribution of a discrete random variable X is 2 Mx(t) get -2t e 3t 4 (a) Find E(X). (b) Find Var(3 + 2X2)

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