Suppose that the joint p.d.f. of a pair of random vari- ables (X, Y ) is constant on the rectangle where 0 ≤ x ≤ 2 and 0≤y≤1, and suppose that the p.d.f. is 0 off of this rectangle.
a.Find the constant value of the p.d.f.on the rectangle.
b. Find Pr(X≥Y).