Let X,YX, YX,Y be jointly continuous with CDF F(x,y)=xyF(x,y) = xyF(x,y)=xy for 0≤x,y≤10 \le x, y \le 10≤x,y≤1. What is the marginal CDF FX(x)F_X(x)FX(x)?
xxx
x2x^2x2
1−x1-x1−x
x2\frac{x}{2}2x