fomotive center guarantees customers that the service will take no longer than 20 minutes. If it does take longer, the customer will receive t What percent of customers receive the service for half-price? utomotive center does not want to give the discount to more than 7% of its customers, how long should it make the guaranteed time limit? ercent of customers that receive the service for half-price is %. two decimal places as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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7.2-9
The fime required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 17
minutes and a standard deviation of 2.5 minutes.
(a) The automotive center guarantees customers that the service will take no longer than 20 minutes. If it does take longer, the customer will receive the service for
hall-price. What percent of customers receive the service for half-price?
(b) f the automotive center does not want to give the discount to more than 7% of its customers, how long should it make the guaranteed time limit?
ontents
(a) The percent of customers that receive the service for half-price is%.
(Round to two decimal places as needed.)
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Transcribed Image Text:The fime required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 17 minutes and a standard deviation of 2.5 minutes. (a) The automotive center guarantees customers that the service will take no longer than 20 minutes. If it does take longer, the customer will receive the service for hall-price. What percent of customers receive the service for half-price? (b) f the automotive center does not want to give the discount to more than 7% of its customers, how long should it make the guaranteed time limit? ontents (a) The percent of customers that receive the service for half-price is%. (Round to two decimal places as needed.) Success dia Library Options ions Tools Clear all Check answer Copyright © 2022 Pearson Education Inc. All rights reserved. Terms of Use | Privacy Policy Permissions I Contact Us tly cloudy hp
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