Problem 5: Discrete random variables X and Y have the joint PMF tle+ yl, z= -1,0, 1; Pxy(x, y) y = -2,0, 2, otherwise. 0, (a) Find the PMF of W = X -Y. (b) Find the PMF of V = X + 0.5Y.

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Problem 5: Discrete random variables X and Y have the joint PMF
Hla + yl, = -1,0, %3;
y = -2,0, 2,
otherwise.
Px,y (x, y)
0,
(a) Find the PMF of W = X-Y.
(b) Find the PMF of V = X+ 0.5Y.
Transcribed Image Text:Problem 5: Discrete random variables X and Y have the joint PMF Hla + yl, = -1,0, %3; y = -2,0, 2, otherwise. Px,y (x, y) 0, (a) Find the PMF of W = X-Y. (b) Find the PMF of V = X+ 0.5Y.
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