Mathematics
MarcelinaHaraguch750
2017-08-19 07:36:15
The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal​ distribution, with a mean of 1515 minutes and a standard deviation of 3.53.5 minutes. ​(a) The automotive center guarantees customers that the service will take no longer than 2020 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 55​% of its​ customers, how long should it make the guaranteed time​ limit?
ANSWERS
catie0987s
2017-08-19 09:00:03

i thinkit is b because we arent tht fast

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