Question
Ch 7 HW Question 21 A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food restaurant was 143.4
Ch 7 HW Question 21
A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food restaurant was 143.4 seconds. Assuming drive-through times are normally distributed with a standard deviation of 24 seconds.
(a) What is the probability that a randomly selected car will get through the restaurant's drive-through in less than 107
seconds?
The probability that a randomly selected car will get through the restaurant's drive-through in less than 107 seconds is ___?
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Auditing and Assurance services an integrated approach
Authors: Alvin a. arens, Randal j. elder, Mark s. Beasley
14th Edition
133081605, 132575957, 9780133081602, 978-0132575959
