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(Solved): Consumer Reports Rated Airlines And Found That 75% Of The Flights Involved In The Study Arrived On T ...

Consumer Reports rated airlines and found that 75% of the flights involved in the study arrived on time (i.e., within 15 minutes of scheduled arrival time). Assuming that the on-time arrival rate is representative of the entire commercial airline industry, consider a random sample of 220 flights. (Round your answers to two decimal places.)

(a) What is the expected number that will arrive on time?

(b) What is the standard deviation of this distribution?

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