Question

A sample of young adults were paused regarding a numbers of hours spent watching Netflix. There...

A sample of young adults were paused regarding a numbers of hours spent watching Netflix. There were 32 adults in the sample with a mean hours wash per week of 11 hours and a standard deviation of one hour. What is the 95% confidence interval for the population mean.

a. find both upper and lower bound intervals
b. what is the margin of error in the above problem?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Confidence interval calculation.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In a​ survey, 800 adults in a certain country were asked how many hours they worked...
In a​ survey, 800 adults in a certain country were asked how many hours they worked in the previous week. Based on the​ results, a​ 95% confidence interval for mean number of hours worked was lower​ bound: 37.6 and upper​ bound: 39.5. Which of the following represents a reasonable interpretation of the​ result? For those that are not​ reasonable, explain the flaw. ​(a) There is a​ 95% chance the mean number of hours worked by adults in this country in...
The mean number of hours of part-time work per week for a sample of 278 Metro...
The mean number of hours of part-time work per week for a sample of 278 Metro State students is 20. If the margin of error for the population mean with a 95% confidence interval is 1.5, construct a 95% confidence interval for the mean number of hours of part-time work per week for Metro State University students. (4 points) Lower Limit: ____________ Upper Limit: ____________
A random sample of 90 UT business students revealed that on average they spent 8 hours...
A random sample of 90 UT business students revealed that on average they spent 8 hours per week on Facebook. The population standard deviation is assumed to be 2 hours per week. If we want to develop a 95% confidence interval for the average time spent per week on Facebook by all UT business students, the margin of error of this interval is The 95% confidence interval for the average time spent per week on Facebook by all UT business...
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x bar over x, is found to be 109, and the sample standard deviation, s, is found to be 10. a) Construct a 96% confidence interval about mu if the sample size, n, is 29 lower bound: __ upper bound: __ b) Re-do, but with a different interval. Construct a 95% confidence interval about mu if sample size n, is 29...
The following sample data show the number of hours per day 12 adults spent in from...
The following sample data show the number of hours per day 12 adults spent in from of screens what television-related content: 1.3, 4.9, 4.2, 4.8, 7.6, 6.9, 5.4, 2.2, 5.3, 1.8, 2.4, 8.3. Using α = 0.01 determine if there is sufficient evidence to show that on average adults spend more than 4 hours per day in front of screens watching television-related content. Construct a 99% confidence interval to estimate the average number of hours per day adults spend in...
The mean number of hours of study time per week for a sample of 524 high-school...
The mean number of hours of study time per week for a sample of 524 high-school students is 27. If the margin of error for the population mean with a 98% confidence interval is 1.7, construct a 98% confidence interval for the mean number of hours of study time per week for all high-school students. Lower endpoint? upper endpoint?
In a sample of 41 Winnipeg adults aged 18-24 who celebrate Halloween, the mean amount spent...
In a sample of 41 Winnipeg adults aged 18-24 who celebrate Halloween, the mean amount spent on a costume was $35.45 with a standard deviation of $14.95. a) Find the margin of error for a 95% confidence interval for the true average amount spent on a costume. Use your T-table to do this and round to the four decimal places. B)  We are 95% confident that the true average amount spent on a Halloween costume for Winnipeg adults aged 18-21 is...
The mean number of hours of study time per week for a sample of 554 students...
The mean number of hours of study time per week for a sample of 554 students is 22. If the margin of error for the population mean with a 95% confidence interval is 2.1, construct a 95% confidence interval for the mean number of hours of study time per week for all students.
In a survey, 91 college students were interviewed about how much time they spent on school...
In a survey, 91 college students were interviewed about how much time they spent on school e-mail each week. The sample average was 3.34 hours with a sample standard deviation of 7.728 hours. Construct a 90% confidence interval for the population mean. Also, find the margin of error. Round your answers to 3 decimal places. Группа выборов ответов (1.994,4.686) margin of error=1.346 (1.994,4.686) margin of error=2.692 (1.731,4.949) margin of error=1.609 (1.731,4.949) margin of error=3.218 (1.994,4.686) margin of error=3.340
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that is normally distributed. The sample​ mean, x​, is found to be 115​, and the sample standard​ deviation, s, is found to be 10. ​(a) Construct a 95​% confidence interval about μ if the sample​ size, n, is 22. ​(b) Construct a 95​% confidence interval about μ if the sample​ size, n, is 12. ​(c) Construct a 90​% confidence interval about μ if the sample​ size, n, is...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT