SOLUTION: The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80% of its fligh

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Question 568882: The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80% of its flights arriving on time. A test is conducted by randomly selecting Southwest flights and observing whether they arrive on time.
Find the probability that exactly flights arrive on time

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!

The probability of successes in trials where is the probability of success on any given trial is given by:



Where is the number of combinations of things taken at a time and is calculated by

Your probability of success on any given trial is given as 80%, but you didn't bother to share the number of trials or the desired number of successes, so you are on your own from here.


John

My calculator said it, I believe it, that settles it
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