After sitting all day at the hairdresser in front of the school for the past month and observing various things, I found the following facts. Hairdresser: 1

Number of guests: It varies from time to time, but on average 2 people per hour.

Average service time (actual haircut): 15 minutes

Average waiting time (time waiting for your turn): 5 minutes

1) What is the average flow time?

2) What is the flow rate?

3) What is the cycle time?

4) How much is the hairdresser's utilization?

5) On average, how many customers are in the salon? (Time average)