Question: Let X and Y be two discrete random variables with joint probability distribution p(x, y). Define F 1 (a) = P(X a) and F

Let X and Y be two discrete random variables with joint probability distribution p(x, y). Define

F1(a) = P(X ≤ a) and F1 (a Ι y) = P(X ≤ a Ι y)

Verify each of the following:

a.

F1(a) = EEP(x, y) Isa y %3D

b.

F1(a) = EEP(x, y) Isa y %3D

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