Example of Multiple Steps (Driving License Test) Process First step: Paperwork (10 mins for this step) Second step: Road Test (12 mins for this step) 80% of people completing paperwork are allowed to do the road test and get their license Customers arrive every 15 minutes on average Assume exponentially distributed processing time AND interarrival time at each step What is the average TPT for a person getting their license? What is the average TPT for a person not getting their license? What is the average TPT for any customer? What is the expected number of customers in the system? What is the expected number of customers in the road test step? . What is the expected number of customers waiting anywhere