3. Airlines sometimes overbook flights (anticipating that some passengers will not show up). Suppose that an airline took 110 reservations for a plane that has 100 seats. Let X = the number of people with reservations who will actually show up for the flight The probability distribution of X is: X | 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 P(X = x) | 0.05 0.10 0.12 0.14 0.24 0.17 0.06 0.04 0.03 0.02 0.01 0.007 0.006 0.004 0.003 (a) What is the probability that everyone who showed up for the flight can get on the flight? (b) What is the probability that exactly one passenger will not be able to get on the flight? (c) If you don't have reservations and you are number 2 on the stand-by list, what is the probability that you will be able to get on this flight?

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3. Airlines sometimes overbook flights (anticipating that some passengers will not show up).
Suppose that an airline took 110 reservations for a plane that has 100 seats.
Let X = the number of people with reservations who will actually show up for the flight
The probability distribution of X is:
95
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97
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109
P(X = x) | 0.05 0.10 0.12 0.14 0.24 0.17 0.06 0.04 0.03 0.02 0.01 0.007 0.006 0.004 0.003
(a) What is the probability that everyone who showed up for the flight can get on the flight?
(b) What is the probability that exactly one passenger will not be able to get on the flight?
(c) If you don't have reservations and you are number 2 on the stand-by list, what is the probability
that you will be able to get on this flight?
Transcribed Image Text:3. Airlines sometimes overbook flights (anticipating that some passengers will not show up). Suppose that an airline took 110 reservations for a plane that has 100 seats. Let X = the number of people with reservations who will actually show up for the flight The probability distribution of X is: 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 P(X = x) | 0.05 0.10 0.12 0.14 0.24 0.17 0.06 0.04 0.03 0.02 0.01 0.007 0.006 0.004 0.003 (a) What is the probability that everyone who showed up for the flight can get on the flight? (b) What is the probability that exactly one passenger will not be able to get on the flight? (c) If you don't have reservations and you are number 2 on the stand-by list, what is the probability that you will be able to get on this flight?
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