Suppose the joint probability distribution of X and Y is given by f(x,y) = x+y , for x=2, 3, 4, 5; y = 3, 4, 5. Complete parts (a) through (d). 90 (a) Find P(X ≤4,Y=4). 7 P(X ≤4,Y=4)= (Simplify your answer.) 30 (b) Find P(X>4,Y≤4). 17 90 P(X>4,Y≤ 4) = (Simplify your answer.) (c) Find P(X>Y). P(X>Y)= 15 (Simplify your answer.) (d) Find P(X + Y = 10). P(X+Y=10)= (Simplify your answer.)

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