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At Denver International Airport, 86%  of recent flights have arrived on time. A sample of 10 flights...

At Denver International Airport, 86%  of recent flights have arrived on time. A sample of 10 flights is studied. Round the probabilities to four decimal places.

(a) Find the probability that all 10 of the flights were on time.

(b) Find the probability that exactly 8 of the flights were on time.

(c) Find the probability that 8 or more of the flights were on time.

(d) Would it be unusual for 9 or more of the flights to be on time?

It ▼(Choose one) be unusual for 9 or more of the flights to be on time since the probability is _. .
Math   Statistics-And-Probability   
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