Operations and Supply Chain Management 14th Edition by Robert Jacobs,Richard Chase

تمرين 8

How long would customers have to wait in line, on average, at the ice cream shop discussed in question 7?
Question 7 for Reference:
An ice cream stand has a single window and one employee to serve customers. During their busy season, 30 customers arrive each hour on average. It takes 1.5 minutes on average to serve a customer. What is the utilization of the employee?