(Choose 1 answer)
(See picture)
A. (i)
Let p(x,y)=(3/13)xy^{2} with 0\le x\le1. 1\le y\le3 be the joint probability function of some continuous random variables X and Y. Find the marginal probability distribution p(x) of X.
B. (ii)
C. (iv)
(i)p(x)=2x0\le x\le1
D. (iii)
(ii)p(x)=x+0.5.0<x<1
(iii) p(x)=1.5x-0.5 , 0<x<1
(iv) p(x)=4x-1 , 0<x<1
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