Problem #5: Let X be a discrete random variable with moment generating function -3t Mx(1) = 1 + e- + 1 et (a) Find E[X]. (b) Find Var[X]. (c) Find the moment generating function My(t) of Y = 3X + 4 for t = 2. Enter your answer 1/2 symbolically, as in these examples Enter your answer symbolically, as in these examples Enter your answer sym

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Problem #5: Let X be a discrete random variable with moment generating function -3t Mx(1) = 1 + e- + 1 et (a) Find E[X]. (b) Find Var[X]. (c) Find the moment generating function My(t) of Y = 3X + 4 for t = 2. Enter your answer 1/2 symbolically, as in these examples Enter your answer symbolically, as in these examples Enter your answer symbolically, as in these examples Problem #5(a): Problem #5(b): Problem #5(c): 11213 25/4 25 4 1/2*e^30+1/3*e^(-15)+1/6*e^39 11/1e30+1e-15 e0 1 39 +

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