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1. Let X1 and X2 be independent random variables with means 1 and /2, variances - and o?, and moment generating functions Mi(t) and M2(t)

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1. Let X1 and X2 be independent random variables with means 1 and /2, variances - and o?, and moment generating functions Mi(t) and M2(t) respectively. Let Y = X1X2. Using results on expectation for products of independent random variables, find E(Y ) and var(Y ) in terms of M1, M2, o? and o

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