Shopping situations can influence purchases. brenda was planning a small dinner party, and had gone to a new specialty food store with coupons she'd found in the food section of the paper. at the store she also found a buy-one-get-one-free deal and a free gift with the purchase of a particular dessert. she altered the menu as a result of the and ended up spending less than she'd planned.

Customers arrive at rich dunn's styling shop at a rate of 3 per hour, distributed in a poisson fashion. rich can perform an average of 5 haircuts per hour, according to a negative exponential distribution.a) the average number of customers waiting for haircuts= customersb) the average number of customers in the shop= customersc) the average time a customer waits until it is his or her turn= minutesd) the average time a customer spends in the shop= minutese) the percentage of time that rich is busy= percent