Let the pair (X, Y ) be drawn arbitrarily from the triangle ∆ with vertices (0, 0), (0, 1), and (1, 1).
a. Use Figure 9.5 to show that the joint distribution function F of the pair (X, Y ) satisfies
b. Determine the joint probability density function f of the pair (X, Y ).
c. Show thatX(x)=2 − 2x for x between 0 and 1 and that fY (y)=2y for y between 0 and 1.
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