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 17 minutes and
a standard deviation of 2.5 minutes. 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?
The time required for an automotive center to complete an oil change service on an automobile approximately follows a no
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answerhappygod
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