Question: If the joint probability density function of two discrete random variables X and Y is given in the next table: Y 1 2 3

If the joint probability density function of two discrete random variables X and Y is given in the next table: Y 1 2 3 X 0 A B A 1 B 0 B 2 A B A then: (a) E(X) = 1 and E(Y) = 2 (b) E(X) = and E(Y) = (c) E(X) = and E(Y) = - (d) E(X) = and E(Y) == 1- 8

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