Question: Find (a) the density (y) of y, (b) the conditional density fX|Y(x | y) of X given Y. Let fX,Y(x,y) = 15/256 x2y, for 0

Find
(a) the density (y) of y,
(b) the conditional density fX|Y(x | y) of X given Y.
Let
fX,Y(x,y) = 15/256 x2y,
for 0 ≤ x, 0 ≤ y, x + y ≤ 4,
and fX,Y(x, y) = 0 otherwise.

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