The Traffic Court of James City County, Virginia operates from 9 AM to 12 PM. (Yes there is a county called James City County, and there is no James City in that County.) Each morning at 9 AM, 100 defendants show up for traffic court. On one day a sample of 10 defendants was selected at random. For each defendant, arrival time, departure time, actual time spent in discussion with the judge (in minutes), and the time spent paying the fine (in minutes) were recorded. If no fine is involved, this value is 0. Data is shown in the table atop the next page.

4. Estimate the average flow time for this process.

5. Estimate the theoretical flow time for this process.

6. What is the flow time efficiency?

Defendant	Arrival	Departure	Time w/Judge	Time Paying Fine
1	8:35	9:30	1	5
2	8:40	9:45	1.5	2
3	8:45	11:05	2	0
4	8:45	11:15	5	3
5	8:50	10:05	2	2
6	8:50	9:05	3	0
7	8:55	11:50	1	2
8	8:55	10:45	6	4
9	9:00	11:20	7	6
10	9:15	9:25	3	0