Question: I need help with all parts here please. Let X and Y be random variables with joint density function f (:1: )_ Is: forimyl X'Y

I need help with all parts here please.

Let X and Y be random variables with joint density function f (:1: )_ Is: forimyl X'Y 'y _ 0 otherwise i. Compute the value of k. ii. Find fx(a:) and fy). iii. Work out E(X|Y). iv. Evaluate P(X Y2 2:: )

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