Customers who are registered on a corporate Web site are summarized by the type of shipping contract they use and the number of orders in the previous month. The number of customers in each category are shown in the following table. Customers are to be selected randomly. Shipping Contract Express Standard Total No orders 23 17 40 One order 62 42 104 More than one order 43 22 65 (a) What is the conditional probability that the customer had one order last month given that the customer uses express shipping? Round your answer to three decimal places (e.g. 98.765). P (b) What is the conditional probability that the customer uses express shipping given that the customer had at least one order last month? Round your answer to three decimal places (e.g. 98.765). P =