A firm has classified its customers in two ways: according to whether the account is overdue and whether the account is new (less than 12 months) or old. An analysis of the firm's records provided the input for the following table of joint probabilities: Overdue Not overdue New 0.05 0.15 Old 0.5 0.3 One account is selected at random. A. If the account is overdue, what is the probability that it is new? A Ifthe it