A poll reported that 62% of adults were satisfied with the job the major airlines were doing. Suppose 20 adults are selected at random and the number who are satisfied is recorded. Complete parts (a) through (e) below.

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 poll reported that 62% of adults were satisfied with the job the major airlines were doing. Suppose 20 adults are selected at random and the number who are satisfied is recorded.
Complete parts (a) through (e) below.
Transcribed Image Text:A poll reported that 62% of adults were satisfied with the job the major airlines were doing. Suppose 20 adults are selected at random and the number who are satisfied is recorded. Complete parts (a) through (e) below.
(b) Find and interpret the probability that exactly 11 of them are satisfied with the airlines.
The probability that exactly 11 adults are satisfied with the airlines is.
(Round to four decimal places as needed.)
Transcribed Image Text:(b) Find and interpret the probability that exactly 11 of them are satisfied with the airlines. The probability that exactly 11 adults are satisfied with the airlines is. (Round to four decimal places as needed.)
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