Question: 7. Let X and Y be continuous random variables with joint probability density function given by f (x, y) = B ex(y+1) if x

7. Let X and Y be continuous random variables with joint probability density function given by f (x, y) = B e−x(y+1) if x ≥ 0, 0 ≤ y ≤ e − 1 0 elsewhere. Calculate E(X | Y = y).

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