Do male and female servers at Swank Bar work the same number of hours? A sample of 45 female servers worked an average of 40 hours per week, with a standard deviation of 3. A sample of 45 male servers worked an average of 30 hours per week, with a standard deviation of 4. Let 41 and u2 represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 90% confidence level how many more hours female servers work. Round answers to the nearest hundredth. < 41 - 42 < Which of the following does your data suggest? O Female servers work more hours Male servers work more hours O Female and male servers work about the same number of hours

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Do male and female servers at Swank Bar work the same number of hours? A sample of 45 female servers
worked an average of 40 hours per week, with a standard deviation of 3. A sample of 45 male servers
worked an average of 30 hours per week, with a standard deviation of 4.
Let 41 and uz represent the typical number of hours worked by all female and male servers at Swank Bar,
respectively. Estimate with a 90% confidence level how many more hours female servers work. Round
answers to the nearest hundredth.
< l1 – 12 <
Which of the following does your data suggest?
Female servers work more hours
Male servers work more hours
Female and male servers work about the same number of hours
Transcribed Image Text:Do male and female servers at Swank Bar work the same number of hours? A sample of 45 female servers worked an average of 40 hours per week, with a standard deviation of 3. A sample of 45 male servers worked an average of 30 hours per week, with a standard deviation of 4. Let 41 and uz represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 90% confidence level how many more hours female servers work. Round answers to the nearest hundredth. < l1 – 12 < Which of the following does your data suggest? Female servers work more hours Male servers work more hours Female and male servers work about the same number of hours
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