COMMERCE 4QC3 Lecture Notes - Poisson Distribution, Exponential Distribution, Standard Deviation
1 Jun 2014
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Document Summary
A university cafeteria line in the student center is a self-serve facility in which students select the food items they want and then form a single line to pay the cashier. Students arrive at a rate of about four per minutes according to a poisson distribution. Assume that customers wait in a single line and go to the first available cashier. Sal"s barbershop is a popular haircutting and styling salon near the campus of the university of. Four barbers work full-time and spend an average of 15 minutes on each customer. Customers arrive all day long at an average rate of 12 per hour. When they enter, they take a number and wait for the first available barber. Arrivals tend to follow the poisson distribution, and service times are exponentially distributed: sal"s thinking of adding a fifth barber. Sal"s barbershop is considering changing the queuing characteristics of his shop.
