The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers
enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different
lines that have formed at three teller windows. Answer the following questions
Bank A
6.3
6.6
6.7
6 8
7.1
72
75
Bank B
41
5.5
5.7
6.1
6.6
7.6
7.6
78
85
7 8
9.2
7 8
10.0