Question
Twenty-five percent of all automobiles undergoing an emissions inspection at a certain inspection station fail the inspection. (Round all answers to three decimal places.) (a)
Twenty-fivepercent of all automobiles undergoing an emissions inspection at a certain inspection station fail the inspection. (Round all answers to three decimal places.)(a) Among18randomly selected cars, what is the probability that at most6fail the inspection?
(b) Among18randomly selected cars, what is the probability that between6and12(inclusive) fail to pass inspection?
(d) What is the probability that among 25 randomly selected cars, the number that pass is within 1 standard deviation of the mean value?
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Discrete Mathematics and Its Applications
Authors: Kenneth H. Rosen
7th edition
0073383090, 978-0073383095
