Type your answer with the precision of 2 decimal places. A j…
Type your answer with the precision of 2 decimal places. A joint pmf for X and Y is below f(x,y) -2 4 0 4/20 1/20 1 8/20 2/20 4 0/20 5/20 Let E(XY) = 72/20, E(X) = 30/20, E(Y) = 8/20, E(X2) = 90/20, and E(Y2) = 176/20. Find the correlation of X and Y.