Question: Random variable X and Y have joint PMF Find the PMF of W = X - Y Ir, + y|/14 r=- 2,0,2; Px.y (a, y)

Random variable X and Y have joint PMF
Random variable X and Y have joint PMF Find the

Find the PMF of W = X - Y

Ir, + y|/14 r=- 2,0,2; Px.y (a, y) 0 otherwise

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