Find the probability to have exactly eighty flights on time

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A Department of Transportation report about air travel found that nationwide, 76% of all flights are on time. Base the following questions on 125 randomly selected flights. You may assume the only outcomes are that a flight is either late or is on time. What is the probability you will have exactly 80 flights on time? What is the probability you will have 20 or less flights that are late ? What is the probability you will have more than 100 on time?

Reference no: EM13140433

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