Question: Let X and Y be two random variables with joint density function (a) Find the conditional expectation, E(X | Y = y). (b) Find Cov

Let X and Y be two random variables with joint density function
e-, 0<x<y 0. otherwise. f(x,y)

(a) Find the conditional expectation, E(X | Y = y).
(b) Find Cov (X, Y).
(c) Are X and Y independent? Why?

e-, 0

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