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Mathematics, 17.09.2019 16:30 tristanortonubca
Suppose that the waiting time for a license plate renewal at a local office of a state motor vehicle department has been found to be normally distributed with a mean of 30 minutes and a standard deviation of 8 minutes. suppose that in an effort to provide better service to the public, the director of the local office is permitted to provide discounts to those individuals whose waiting time exceeds a predetermined time. the director decides that 15 percent of the customers should receive this discount. what number of minutes do they need to wait to receive the discount?
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