Question: Suppose X is a random variable with moment generating function 4x(t) = E(et). The second Taylor approximation of ox(t) at t = 0 is 1

Suppose X is a random variable with moment generating function 4x(t)

Suppose X is a random variable with moment generating function 4x(t) = E(et). The second Taylor approximation of ox(t) at t = 0 is 1 + 0.7t + 5t2. Provide answers to the following to two decimal places. (a) Find $ x(0). (b) Find E(4X). (c) Find Var(4X + 4)

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