# Question

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=consecutive weekdays.

She reports that her strategy has worked since the sample mean of customers during this=weekday period jumps to 35.

a. How unusual would it be to get a sample average of 35 or more customers if the manager had not offered the discount?

b. Do you feel confident that the manager's discount strategy has worked? Explain.

In an attempt to increase the number of weekday customers, the manager offers a $2 discount on=consecutive weekdays.

She reports that her strategy has worked since the sample mean of customers during this=weekday period jumps to 35.

a. How unusual would it be to get a sample average of 35 or more customers if the manager had not offered the discount?

b. Do you feel confident that the manager's discount strategy has worked? Explain.

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