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CaHeK987 [17]
3 years ago
7

The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal dis

tribution, with the mean of 17 minutes and a standard deviation of 2 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 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 2% of its customers, how long should it make the guaranteed time limit?
Biology
1 answer:
timurjin [86]3 years ago
8 0
Approximately ten percent
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