The random variable X has the following moment generating function: Mx(t) = , t < 1. 1–t Find E(X) and Var(X). Select one: E(X) = 1/2, Var(X) = 3/10 E(X) = 0, Var(X) = 1 O E(X) = ∞, Var(X) = ∞ E(X) = 1, Var(X) = 1
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