Car inspection: Of all the registered automobiles in a city, 10% fail the emissions test. Thirteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places.   (a) Find the probability that exactly five of them fail the test.   (b) Find the probability that fewer than five of them fail the test.   (c) Find the probability that more than four of them fail the test.   (d) Would it be unusual for fewer than three of them to fail the test?

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 33E: Sick leave probability that a given worker at Dyno Nutrition Will call in sick on a Monday is 004....
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Car inspection: Of all the registered automobiles in a city, 10% fail the
emissions test. Thirteen automobiles are selected at random to undergo an
emissions test. Round the answers to at least four decimal places.
 
(a) Find the probability that exactly five of them fail the test.
 
(b) Find the probability that fewer than five of them fail the test.
 
(c) Find the probability that more than four of them fail the test.
 
(d) Would it be unusual for fewer than three of them to fail the test?

 

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