The time required for an automotive center to complete an oil change service on an automobile approximately follows deviation of 3 minutes. normal distribution, with a mean of 19 minutes and a standard (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 half-price. What percent of customers receive the service for half-price? (b) If 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? (a) The percent of customers that receive the service for half-price is 37.07 %. (Round to two decimal places as needed.) (b) The guaranteed time limit is minutes. (Round up to the nearest integer as needed.)
The time required for an automotive center to complete an oil change service on an automobile approximately follows deviation of 3 minutes. normal distribution, with a mean of 19 minutes and a standard (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 half-price. What percent of customers receive the service for half-price? (b) If 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? (a) The percent of customers that receive the service for half-price is 37.07 %. (Round to two decimal places as needed.) (b) The guaranteed time limit is minutes. (Round up to the nearest integer as needed.)
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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![The time required for an automotive center to complete an oil change service on an automobile approximately follows
deviation of 3 minutes.
normal distribution, with a mean of 19 minutes and a standard
(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 half-price. What percent
of customers receive the service for half-price?
(b) If 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?
(a) The percent of customers that receive the service for half-price is 37.07 %.
(Round to two decimal places as needed.)
(b) The guaranteed time limit is
minutes. (Round up to the nearest integer as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb3892b5b-7a02-4704-9e5c-174c0efc2072%2F8e1dd6cc-c604-4669-9cdc-ea35e8db8510%2Fi8ltjsl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The time required for an automotive center to complete an oil change service on an automobile approximately follows
deviation of 3 minutes.
normal distribution, with a mean of 19 minutes and a standard
(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 half-price. What percent
of customers receive the service for half-price?
(b) If 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?
(a) The percent of customers that receive the service for half-price is 37.07 %.
(Round to two decimal places as needed.)
(b) The guaranteed time limit is
minutes. (Round up to the nearest integer as needed.)
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