statistics question

W 230 E 19 Almost all airlines use overbooking on their flights. This means that more tickets are sold than are available. This usually works well because in practice on most flights there are a number of travelers who do not show up (no shows). For this statement, assume that the no-show percentage is 10% for both economy class and business class . An Airbus A-321 can carry 4 passengers. 240 tickets have been sold. a. Calculate the probability that exactly 1 passengers will show up (4 decimal places). b. Calculate the probability that more passengers will show up than there will be seats (4 decimal places). c. 20 business class tickets have been sold, but only & seats are available. Use the attached table to calculate the probability that all business class passengers will be able to join the flight