Assume that an airline operates a 172-seat McDonnel Douglas MD-88 on a particular route. Historically, the probability of a passenger showing up for a flight is 99%. 1. Assume that 172 tickets were sold. Let X be the number of passengers who showed up for the flight. a. Describe the distribution of X: X NFBNT T P O b. Find the probability that the flight is not full, in other words, find the probability that not all passengers will show up: P(X ≤ c. Find the expected number of passengers who show up for the flight: (Round the answer to 4 decimal places)

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