Question
Suppose that the waiting time for a pizza to be ready at a local pizzeria has been found to be normally distributed with a mean
Suppose that the waiting time for a pizza to be ready at a local pizzeria has been found to be normally distributed with a mean of 18 minutes and a standard deviation of 8 minutes. Suppose that in an effort to provide better service to the customers, the manager has decided to provide discounts to those individuals whose waiting time exceeds a predetermined time. The manager decides that 15% of the customers should receive this discount. What is the number of minutes they need to wait to receive the discount?
About 22 minutes
About 26 minutes
About 28 minutes
About 30 minutes
None of the above
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Abstract Algebra A First Course
Authors: Dan Saracino
2nd Edition
1478618221, 9781478618225
