Engineering Analysis LL 6 * The joint probability function for the random variables X and Y, P(X,Y), is given in matrix below. Then, the mean value of X and Y are y 1 2 3 P(X, Y) = 10. 05 0.05 0.1 x 2 0.05 0.1 0.35 3 0 0.2 0.1 2.1, 2.5 0 2.1, 2.1 O 2.2, 2.44 O 2.15, 2.45 2.1, 2.45 O