5.2.2. Suppose fX,Y (x, y)=
x − y if 1 < x < 2 and 0 < y < 1
0 otherwise .
(a) Determine fX(x) and fY (y). Hint: Include where they are “on”.
(b) Are X and Y independent? Why or why not?
5.2.2. Suppose fX,Y (x, y)= x − y if 1 < x < 2 and 0 < y < 1 0 otherwise . (a) Determine fX(x) and fY (y). Hint: Include where they are “on”. (b) Are X and Y independent? Why or why not?
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