Do male and female servers at Swank Bar work the same number of hours? A sample of 75 female servers worked an average of 33 hours per week, with a standard deviation of 2. A sample of 75 male servers worked an average of 24 hours per week, with a standar

Question

Question

Do male and female servers at Swank Bar work the same number of hours? A sample of 75 female servers worked an average of 33 hours per week, with a standard deviation of 2. A sample of 75 male servers worked an average of 24 hours per week, with a standard deviation of 5.

Let $μ_{1}$ and $μ_{2}$ represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 97% confidence level how many more hours female servers work. Round answers to the nearest hundredth.
< $μ_{1} - μ_{2}$ <

Add a comment Improve this question Transcribed image text

Answer 1

Similar Homework Help Questions

Do male and female servers at Swank Bar work the same number of hours? A sample...

Do male and female servers at Swank Bar work the same number of hours? A sample of 60 female servers worked an average of 29 hours per week, with a standard deviation of 3. A sample of 60 male servers worked an average of 22 hours per week, with a standard deviation of 2. Let μ1 and μ2 represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 90% confidence...
Alessandra DiMauro Do male and female servers work the same number of hours? A sample of...

Alessandra DiMauro Do male and female servers work the same number of hours? A sample of 22 female servers worked an average of 37 hours per week, with a standard deviation of 3. A sample of 19 male servers worked an average of 27 hours per week, with a standard deviation of 4. Let and ?2 represent the typical number of hours worked by all female and male servers, respectively. Construct a 80% confidence interval for ?1-?2. Enter your answer...
You have been assigned to test the hypothesis that the average number of hours per week...

You have been assigned to test the hypothesis that the average number of hours per week that an American works is higher than the average number of hours per week that a Swede works. The following data summarizes the sample statistics for the number of hours worked per week for workers in each country. Assume that the population variances are unequal. American Swede Sample mean 32.7 hours 28.2 hours Sample size 15 12 Sample standard deviation 5.1 hours 6.0 hours...

A study of working actors looked at age and gender. One sample of 60 male actors...

A study of working actors looked at age and gender. One sample of 60 male actors had a mean age of 37 and a standard deviation of 3. The other sample included 60 female actors with a mean age of 33 and a standard deviation of 4. Estimate with 85% confidence the difference between the average ages of working male (μ1) and female (μ2) actors. Round answers to the nearest hundredth. < μ1−μ2 <
A study of working actors looked at age and gender. One sample of 75 male actors...

A study of working actors looked at age and gender. One sample of 75 male actors had a mean age of 23 and a standard deviation of 3. The other sample included 75 female actors with a mean age of 22 and a standard deviation of 4. Estimate with 98% confidence the difference between the average ages of working male (?1) and female (?2) actors. Round answers to the nearest hundredth. ____ < ?1??2 < ____
A random sample of 13 registered nurses in a large hospital showed that they worked on average 44.3 hours per week

A random sample of 13 registered nurses in a large hospital showed that they worked on average 44.3 hours per week. The standard deviation of the sample was 2.3. Estimate the mean of the population with 99% confidence. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place.

A random sample of 18 registered nurses in a large hospital showed that they worked on average 44.4 hours per week.

A random sample of 18 registered nurses in a large hospital showed that they worked on average 44.4 hours per week. The standard deviation of the sample was 2.8. Estimate the mean of the population with 99% confidence. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place.
2. In estimating the mean number of television viewing hours per family per week, a random...

2. In estimating the mean number of television viewing hours per family per week, a random sample of 400 families yields a mean of 32.6 hours and a standard deviation of 9.9 hours (a) Find a 95% confidence interval for the average number of viewing hours per family per week in the population. Interpret. (b) Find a 99% confidence interval for the average number of viewing hours per family per week in the population. Interpret. (c) Suppose instead only 25...
Suppose we want to estimate the difference between the average number of hours worked per week...

Suppose we want to estimate the difference between the average number of hours worked per week by all Americans with a college degree and those without a college degree. Summary information for each group is shown in the tables. 200 College degree 100 20 80 250 No college degree 50 80 Hours worked per week Statistic College Degree No College Degree Mean42.5 hours SD 39.1 hours 14.9 hours 14.7 hours 467 646 1. Create a 95% confidence interval for the...

1. To determine the average number of hours spent studying by college students per week, a...

1. To determine the average number of hours spent studying by college students per week, a sample of 39 students was randomly selected, and found to spend an average of 17.1 hours per week, with a standard deviation of 4.3 hours. Find the 90% confidence interval for the mean number of hours spent studying per week by all college students. What is the upper and lower bound? 2. If I asked a random student how many hours they study per...

Do male and female servers at Swank Bar work the same number of hours? A sample of 75 female servers worked an average of 33 hours per week, with a standard deviation of 2. A sample of 75 male servers worked an average of 24 hours per week, with a standar

Homework Answers

Request Answer!

Add Answer to:
Do male and female servers at Swank Bar work the same number of hours? A sample of 75 female servers worked an average of 33 hours per week, with a standard deviation of 2. A sample of 75 male servers worked an average of 24 hours per week, with a standar

Post as a guest

Earn Coins