Let X, and X, be independent random variables, X, has pdf f(x) = 6x(1 – x) for 0 < x < 1, and X2 has pmf f(x) = x/17 for x = 3,5,9. a) Find the mean and variance of 7X1 - 3X2. b) Find E(XXX).

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22 Jan 2023

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Let X, and X, be independent random variables, X, has pdf f(x) = 6x(1 – x) for 0 < x < 1, and X2 has pmf f(x) = x/17 for x = 3,5,9. a) Find the mean and variance of 7X1 - 3X2. b) Find E(XXX).

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