3.1 Solve the below problem: Let Y, and Y2 have a joint density function given by 0 < y2 s y1 S 1 elsewhere. (3y1 %3D 3.1.1. The marginal density function for Y2 is f(y2) =(1- y?), 0 < y2 < 1. Find the marginal density function of Y,. (NB: Show all your calculations) 3.1.2. The conditional density of Y2 given Y, = y, is f(y2ly1) =. Find E (Y2|Y, = y1). 0 < y2 < y1 < 1.

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