Question: Consider random variables X and Y with joint density fX, Y (x, y) = 1/8 (1 - x2) (3 - y) for -1 x

Consider random variables X and Y with joint density
fX, Y (x, y) = 1/8 (1 - x2) (3 - y)
for -1 ≤ x ≤ 1 and -1 ≤ y ≤ 1,
And fx, y (x,y) = 0 otherwise. Find the probability that X and Y are both negative.

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