Question: 13. Let X and Y be continuous random variables with the joint probability density function f (x, y) = B ey if y > 0,

13. Let X and Y be continuous random variables with the joint probability density function f (x, y) = B e−y if y > 0, 0 < x < 1 0 elsewhere. Find E(Xn | Y = y), n ≥ 1.

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