Question: 7.2.1 The joint probability function of variables X and Y is f(z,y ) = cIz - yI for 5 = 0 , 1 , 2

7.2.1 The joint probability function of variables X and Y is f(z,y ) = cIz - yI for 5 = 0 , 1 , 2 , 3 , and y = 0 , 1 , 2 . Find: (i)

c. (ii) P ( X = Y ) . (iii) P(X > Y ) . (iv)

P(IX - 11 5 1). (v) P(X + Y 5 3).

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