Suppose that X and Y are jointly continuous with joint PDF given by _ me'zlll, ifs: > O and y > i] f{:r:,y) {0, otherwise. Find the probability P(X > a) where a 22.2. Provide a numerical answer with precision up to 3 decimal places. Hint: find the marginal ofX first. Question 4 1 pts Suppose that X and Y are independent geometric random variables with parameters p 20.3 and g 20.7. Find the probability P(X 2 Y). Provide a numerical answer with precision up to 3 decimal places. Hint: break up the event into simpler pieces