Mathematics
Mathematics, 06.05.2021 16:40, sduihasoj1703

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 minutes and a standard deviation of minutes. ​(a) The automotive center guarantees customers that the service will take no longer than 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?

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