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
Algebra.Com
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
RELATED QUESTIONS
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by ikleyn)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by ewatrrr,ikleyn)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by Boreal)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by stanbon)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by solver91311)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by edjones)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by stanbon)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by jim_thompson5910)
The rates of on-time flights for commercial jets are continuously tracked by the U.S.... (answered by stanbon)