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Consider the following pdf: PXY(x, y) OWIH O NO WIH WIH HON (a) Find the variance of random variables X and Y. (Show your steps) (b) Find the covariance of between X and Y. (Show your steps) (c) Find the correlation coefficient between X and Y. (d) Find Px (e) Find Py (f) Find Pxy (xly) for every y. (g) Find Pxy (ylx) for every x. (h) Define an event A = {X . Y # 0}. Find the probability of A. (i) Find PXYlA