A simple random sample of size n= 40 is drawn from a population. The sample mean is found to be x= 121.7 and the sample standard deviation is found to be s= 13.2. Construct a 99% confidence interval for the population mean.The lower bound is (Round to two decimal places as needed.)TutoringHelp me solve thisGet more help-Clear allCheck answerMacBook ProescG Search or type URL@#3&キ1234.8%3DdeleteQWYUPtabASDFGHJKretcaps lockくCVNMshiftfncommandoptionmmandエ

It is given that sample mean is 121.7 and the standard deviation is 13.2.

Answered: A simple random sample of size n= 40 is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A biologist measures the lengths of a random sample 30 mature brown trout in a large lake and finds that the sample a mean weight of 43 pounds. Assume the population standard deviation is 3.3 pounds. Based on this, construct a 90% confidence interval for the mean weight of all mature brown trout in the lake. Round your anwers to two decimal places. ______< μ <_______
A random sample of 93 observations produced a mean x = 25.5 and a standard deviation s 2.8. a. Find a 95% confidence interval for u. b. Find a 90% confidence interval for u. c. Find a 99% confidence interval for u.
a hamburger chain sells hamburger. A random sample of 25 hamburger is taken and each is weighed. the mean of this sample is 0.26 pound and the standard deviation of 0.03 pound. Suppose you you were asked to find the 95% confidence interval. what MARGIN of error should you use? Use the multiplier t*= 2.064 to calculate and round your answer to the three decimal places A. 0.061 B. 0.006 C. 0.107 D. 0.012
A sample of size n = 36 is drawn from a population whose standard deviation is σ = 15.6. The sample mean is x = 94.5. Construct a 95% confidence interval.
Use technology to construct the confidence intervals for the population variance of and the population standard deviation o. Assume the sample is taken from a normally distributed population. c=0.95, s=37, n= 18 The confidence interval for the population variance is (770 86, 3076.74). (Round to two decimal places as needed.) .... The confidence interval for the population standard deviation is (Round to two decimal places as needed.) More Help me solve this View an example Get more help- Clear all 55°F AO Type here to search 99+ Lenovo AL BTY 10/05/17 Insert Delete PrtSc F11 F12 F9 F10 C F5 F7 F8 F6 F4 F3 Esc F1 F2 Bac @ 23 7 6- 3 4 5 团 %24
Use technology to construct the confidence intervals for the population variance o2 and the population standard deviation o. Assume the sample is taken from a normally distributed population. c= 0.95, s= 34, n= 17 ..... The confidence interval for the population variance is (Round to two decimal places as needed.)
Use technology to construct the confidence intervals for the population variance o² and the population standard deviation a. Assume the sample is taken from a normally distributed population. c=0.99, s= 33, n= 16 The confidence interval for the population variance is ( ). (Round to two decimal places as needed.) The confidence interval for the population standard deviation is ( ). (Round to two decimal places as needed.)
A statistics class is estimating the mean height of all female students at their college. They collect a random sample of 42 female students and measure their heights. The mean of the sample is 65.3 inches and the sample standard deviation is 5.4 inches. Find the 90% confidence interval for the mean height of all female students in their school? Assume that the distribution of individual female heights at this school is approximately normal. 1. The t value is 1.3025 2. The standard error has a value of -- 3. The margin of error has a value of 4. Find the 90% confidence interval for the mean height of all female students in their school
Construct a confidence interval of the population proportion at the given level of confidence. x equalsx=540540, n equalsn=11001100, 9595% confidence Click here to view the standard normal distribution table (page 1). LOADING... Click here to view the standard normal distribution table (page 2). LOADING... The lower bound of the confidence interval is nothing . (Round to three decimal places as needed.) The upper bound of the confidence interval is nothing . (Round to three decimal places as needed.) Enter your answer in each of the answer boxes.
Use technology to construct the confidence intervals for the population variance o and the population standard deviation o. Assume the sample is taken from a normally distributed population. c= 0.90, s = 5.76, n = 26 The confidence interval for the population variance is ( ). (Round to two decimal places as needed.) The confidence interval for the population standard deviation is ( ). (Round to two decimal places as needed.)
At a charter high school, the average GPA of a high school senior is known to be normally distributed. After a sample of 27 seniors is taken, the average GPA is found to be 2.85 and the sample variance is determined to be 0.16. Find a 95% confidence interval for the population mean GPA. a. 2.5615 to 2.8585 b. 2.6358 to 3.0642 c. 2.6917 to 3.0083 d. 2.5167 to 2.9033
The random sample of n=75�=75 yielded a sample mean of x¯=26�¯=26.Assume that we know the population standard deviation is σ=30�=30. Step 2 of 3 : Calculate a 95% confidence interval for the population mean. Round your answers to 2 decimals places.

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

A simple random sample of size n= 40 is drawn from a population. The sample mean is found to be x= 121.7 and the sample standard deviation is found to be s= 13.2. Construct a 99% confidence interval for the population mean. The lower bound is. (Round to two decimal places needed.)