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A large hospital wholesaler, as part of an assessment of workplace safety, gave warehouse employees a test (measured on a 0 to 100 point scale) on safety procedures. For that sample of employees, the mean test score was 75 points, with a sample standard deviation of 15 points. Determine and interpret a 90% confidence interval for the mean test score of all the company's warehouse employees. (Please keep at least four decimal places). 29. The 90% confidence interval is: [71.3725, 78.6374] [71.8706, 78.1294] [71.4426, 78.5575] O[71.0687, 78.9412]

A large hospital wholesaler, as part of an assessment of workplace safety, gave warehouse employees a test (measured on a 0 to 100 point scale) on safety procedures. For that sample of employees, the mean test score was 75 points, with a sample standard deviation of 15 points. Determine and interpret a 90% confidence interval for the mean test score of all the company's warehouse employees. (Please keep at least four decimal places). 29. The 90% confidence interval is: [71.3725, 78.6374] [71.8706, 78.1294] [71.4426, 78.5575] O[71.0687, 78.9412]

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A large hospital wholesaler, as part of an assessment of workplace safety, gave a random sample of 50 of its warehouse employees a test (measured on a 0 to 100 point scale) on safety procedures. For that sample of employees, the mean test score was 75 points, with a sample standard deviation of 15 points. Determine and interpret a 90% confidence interval for the mean test score of all the company's warehouse employees. (Please keep at least four decimal places). 29. The 90% confidence interval is: ( [71.3725, 78.6374] [71.8706, 78.1294] [71.4426,78.5575] O[71.0687, 78.9412]
Transcribed Image Text:A large hospital wholesaler, as part of an assessment of workplace safety, gave a random sample of 50 of its warehouse employees a test (measured on a 0 to 100 point scale) on safety procedures. For that sample of employees, the mean test score was 75 points, with a sample standard deviation of 15 points. Determine and interpret a 90% confidence interval for the mean test score of all the company's warehouse employees. (Please keep at least four decimal places). 29. The 90% confidence interval is: ( [71.3725, 78.6374] [71.8706, 78.1294] [71.4426,78.5575] O[71.0687, 78.9412]
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