BruThru is a chain of drivethrough beer and wine outlets whe

Bru-Thru is a chain of drive-through beer and wine outlets where customers arrive, on average, every five minutes. Management has a goal that customers will be able to complete their transactions , on average, in six minutes with a single server. Assume that this system can be described as an M/M/1 configuration. What is the average service time that is necessary to meet this goal?

Solution

Bru-Thru is a chain of drive-through beer and wine outlets where customers arrive, on average, every five minutes

5 minutes

Management has a goal that customers will be able to complete their transactions , on average, in six minutes with a single server

6 minues

What is the average service time that is necessary to meet this goal?

6/ 5 = 1.2 minutes