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. 6.5 4.2 Bank A 6.6 6.7 5.4 6.8 6.2 7.1 6.7 7.2 7.6 7.5 7.6 7.8 8.4 7.8 9.4 7.8 10.0 Bank B 5.8 Click the icon to view the table of Chi-Square critical values. Construct a 90% confidence interval for the population standard deviation o at Bank A. min< dgank A min (Round to two decimal places as needed.)
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. 6.5 4.2 Bank A 6.6 6.7 5.4 6.8 6.2 7.1 6.7 7.2 7.6 7.5 7.6 7.8 8.4 7.8 9.4 7.8 10.0 Bank B 5.8 Click the icon to view the table of Chi-Square critical values. Construct a 90% confidence interval for the population standard deviation o at Bank A. min< dgank A min (Round to two decimal places as needed.)
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.6: Percents Problems
Problem 5WE
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Transcribed Image 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 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.
7.1
6.7
5.8
7.8
10.0
Bank A
6.5
4.2
6.6
5.4
6.8
6.2
7.2
Bank B
7.5
7.6
7.8
8.4
7.8
9.4
6.7
7.6
Click the icon to view the table of Chi-Square critical values.
Construct a 90% confidence interval for the population standard deviation o at Bank A.
min < ogank Amin
(Round to two decimal places as needed.)
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