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Your flight has been delayed: At Denver International Airport, 87% of recent flights have arrived on...

Your flight has been delayed: At Denver International Airport, 87% of recent flights have arrived on time. A sample of 12 flights is studied. Round the probabilities to four decimal places.

(a) Find the probability that all 12 of the flights were on time.

(b) Find the probability that exactly 10 of the flights were on time.

(c) Find the probability that 10 or more of the flights were on time.

(d) Would it be unusual for 11 or more of the flights to be on time?

It BLANK be unusual for 11 or more of the flights to be on time since the probability is BLANK
Math   Statistics-And-Probability   
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