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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 Bank B 6.4 4.2 6.6 5.4 6.7 5.7 6.8 6.2 7.1 6.7 Click the icon to view the table of Chi-Square critical values. min

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 Bank B 6.4 4.2 6.6 5.4 6.7 5.7 6.8 6.2 7.1 6.7 Click the icon to view the table of Chi-Square critical values. min

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 51RE
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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 Bank B 6.4 4.2 6.6 5.4 6.7 5.7 6.8 6.2 7.1 6.7 Click the icon to view the table of Chi-Square critical values. min < Bank B < min (Round to two decimal places as needed.) 7.3 7.7 NN 7.5 7.7 Construct a 95% confidence interval for the population standard deviation o at Bank A. 0.40 min<Bank A < 1.05 min (Round to two decimal places as needed.) Construct a 95% confidence interval for the population standard deviation o at Bank B. 7.9 8.5 7.9 9.3 7.9 C 10.0
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. Bank A Bank B 6.4 4.2 6.6 5.4 6.7 5.7 6.8 6.2 7.1 6.7 Click the icon to view the table of Chi-Square critical values. min < Bank B < min (Round to two decimal places as needed.) 7.3 7.7 NN 7.5 7.7 Construct a 95% confidence interval for the population standard deviation o at Bank A. 0.40 min<Bank A < 1.05 min (Round to two decimal places as needed.) Construct a 95% confidence interval for the population standard deviation o at Bank B. 7.9 8.5 7.9 9.3 7.9 C 10.0
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