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Mathematics, 18.03.2021 23:40 heavyhearttim

A small hair salon in Denver, Colorado, averages about 30 customers on weekdays with a standard deviation of 6. It is safe to assume that the underlying distribution is normal. In an attempt to increase the number of weekday customers, the manager offers a $2 discount on 5 consecutive weekdays. She reports that her strategy has worked since the sample mean of customers during this 5 weekday period jumps to 35.What is the probability to get a sample average of 35 or more customers if the manager had not offered the discount

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