The density fnc. of X and Y is f(x,y)=x+y for 0<x<1, 0<y<1 and 0 otherwise. a-Are X and Y independent? b-Find the density function of X c- Find P(X+Y<1)
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(a) dependent by inspection, the joint density does NOT factor. (b) on (0,1). and I'll let you do (c) .
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