A bank teller can handle 40 customers an hour and customersarrive every six minutes. What is the average time a customerspends waiting in line?
a. 15 seconds b. 0.40 minutes c. 1.25 minutes d. 30 seconds
Customers arrive at a bakery at an average rate of 18 per houron week day mornings. Each clerk can serve a customer in an averageof three minutes. How long does each customer wait in thesystem?
a. 1 hour b. 0.33 hour c.0.45 hour d. 0.5 hour e. 1.5 hour
Students arrive at a class registration booth at the rate of 4per hour. The administrators serve students in a first-come,first-serve priority with the average service time of 10 minutes.What is the mean number of students in the system?
a. 1.0 b. 1.33 c. 0.67 d. 2. 0 e. 15
Customers arrive at an ice cream store at the rate of 15 perhour. The owner attempts to serve in a first come, first-servepriority. The mean time to serve a customer is 3 minutes. Whatisthe probability of walking into the store and not having towait?
a. 75% b. 100% c. 133% d. 25% e. 50%
