A certain flight arrives on time 90 percent of the time. Suppose164 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that   ​(a) exactly 140 flights are on time. ​(b) at least 140 flights are on time. ​(c) fewer than138 flights are on time. ​(d) between 138 and152​, inclusive are on time.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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A certain flight arrives on time 90 percent of the time. Suppose164 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that
 
​(a) exactly 140 flights are on time.
​(b) at least 140 flights are on time.
​(c) fewer than138 flights are on time.
​(d) between 138 and152​, inclusive are on time.
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