9. [21 points total] You bought N tickets to a contest. Each ticket entitles you to flip a fair coin. If the ith coin lands heads, you receive a random number of points Xi. Suppose the X; are distributed as independent Exponential()) random variables with rate > > 0. Recall that the Exponential(A) distribution has density f (2 ) = x20 x x), where x is any positive constant. (c) [7 points] Continue to suppose N = 2. Let A be the event that your first coin flip lands heads. Find P(Xmin > > | A)