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) About Me  (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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