Bank

Bank A

Bank B

Date

13/07/20

14/07/20

15/07/20

20/07/20

21/07/20

22/07/20

Total time (hours)

1

1

1

1

1

1

Mean arrival rate

28

17

20

20

9

17

Mean service rate

24

16

18

17

6

15

Number of tellers

3

3

3

2

2

2

Sample size

28

17

20

20

9

17