What is the probability that the flight departs with empty

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Because not all airline passengers show up for their reserved seat, an airline sells 135 tickets for a flight that holds only 150 passengers. The probability that a passenger does not show up is 0.10, and the passengers behave independently.

a. What is the probability that every passenger who shows up can take the flight?

b. What is the probability that the flight departs with empty seats?

A particularly long traffic light on your morning commute is green 20% of the time that you approach it. Assume that each morning represents an independent trial.

a. Over five mornings, what is the probability that the light is green on exactly one day?

b. Over 25 mornings, what is the probability that the light is green on exactly five days?

c. Over 25 mornings, what is the probability that the light is green on more than five days?

Reference no: EM132856316

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