Let Joint pmf of X and Y be defined as f(x,y) = (x + y)/32 x=1,2, y=1,2,3,4 Find (i)P(X > Y) (ii)P(Y=2X) Thanks
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Originally Posted by jojo_jojo Let Joint pmf of X and Y be defined as f(x,y) = (x + y)/32 x=1,2, y=1,2,3,4 Find (i)P(X > Y) but since X=1 or 2, it is not possible that X>Y if Y=2,3 or 4. So this probability is actually : The only possible value for X, such that X>1 is X=2. So (ii)P(Y=2X) Thanks
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