SOLUTION: BlueSky Air has the best on-time arrival rate with 80% of its flights arriving on time. A test is conducted by randomly selecting 16 BlueSky Air flights and observing whether they

Question 715853: BlueSky Air has the best on-time arrival rate with 80% of its flights arriving on time. A test is conducted by randomly selecting 16 BlueSky Air flights and observing whether they arrive on time.
What is the probability that 2 flights of BlueSky Air arrive late?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
BlueSky Air has the best on-time arrival rate with 80% of its flights arriving on time. A test is conducted by randomly selecting 16 BlueSky Air flights and observing whether they arrive on time.
What is the probability that 2 flights of BlueSky Air arrive late?
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Binomial Problem with n = 16 ; p(on time) = 0.8 ; p(late) = 0.2
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P(x = 2) = 16C2(0.2)^2*(0.8)^14 = binompdf(16,0.2,2) = 0.2111
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Cheers,
Stan H.
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