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Random Variablesmedium
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Consider two independent variables XXX and YYY with fX(x)=1f_X(x)=1fX​(x)=1 (0<x<10<x<10<x<1) and fY(y)=2yf_Y(y)=2yfY​(y)=2y (0<y<10<y<10<y<1). What is the joint PDF fX,Y(x,y)f_{X,Y}(x, y)fX,Y​(x,y)?