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#1 Re: Help Me ! » mathematical stats question » 2016-05-13 19:22:03

well, for part a i got this
∫∫k-ydydx=1 -1<x<1, 0<y<x^2
then i solved for k=9/5

for part b, i have trouble working out the f(x|1/2) and F(y|1/2), because i don't how to get marginal pdf f(y)

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