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Given the following probability distributions for X and Y variables presented table below. P(x, y) 0.2 -100 y 50 0.4 50 30 0.3 200 20 0.1 300 20 Compute: a. E(X) and E(Y) where E(.) is the expectation. b. σχand σy where o is the standard deviation c. the covariance Oxy d. Var (2X +3)

Given the following probability distributions for X and Y variables presented table below Px y 02 100 y 50 04 50 30 03 200 20 01 300 20 Compute a EX and EY wher class=


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