Question: Question 3 (7 marks, C3) Let X and Y be random variables with joint density function f(x, y): - e-2y/xe 2x -x/4 if x

Question 3 (7 marks, C3) Let X and Y be random variables

Question 3 (7 marks, C3) Let X and Y be random variables with joint density function f(x, y): - e-2y/xe 2x -x/4 if x > 0, y > 0, otherwise. (a) Find E(Y|X = x) when x > 0. (b) Find E(Y) using law of total expectation. [4] [3]

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