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 feods three teller windows At Bank B. customers may...

Extracted text: 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 feods 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 6.4 4.3 6.6 6.7 68 6.1 71 72 75 78 78 7.8 Bank B 5.4 58 6.8 78 78 93 100 Click the icon to view the table of Chi-Square critical values Construct a 90% confidonce interval for the population standard deviation a at Bank A 39 min < opank="" min="" (round="" to="" two="" decimal="" places="" as="">