Exhibit 13.2 The Following Questions Refer to the Information and Output Below

Short Answer

Exhibit 13.2
The following questions refer to the information and output below.
A barber shop has one barber who can give 12 haircuts per hour. Customers arrive at a rate of 8 customers per hour. Customer inter-arrival times and service times are exponentially distributed. The following queuing analysis spreadsheet was developed from this information.
-A grocery clerk can serve 20 customers per hour on average and the service time follows an exponential distribution. What is the expected service time per customer?