Question 5Assume that we want to construct a confidence interval. Do one of the following, as appropriate:Find the critical value ta/2Find the critical value za/2State that neither the normal distribution nor the t distribution applies.The confidence level is 99%, ơ is not known, and the histogram of 59 player salaries (in thousands of dollars) of football players on a team is as shown.30-40012000160020000Salry housands of dollam)O A. ta/2 = 1.67O B. Neither the normal distribution nor the t distribution applies.OC. ta/2 = 2.00O D. Za/2 = 2.66

Answered: Image /qna-images/answer/ca5b9a51-f70d-4bd0-942d-96e4b8177a22.jpg

Answered: Assume that we want to construct a…

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

25
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
Suppose the population standard deviation is = 5, an SRS of n = 100 is obtained, and the confidence level is chosen to be 99.5%. The margin of error for estimating a mean is given by: a. 1.576. b. 1.165. c. 1.404. d. 1.223.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t/2. (b) find the critical value z/2, or (c) state that neither the normal distribution nor the t distribution applies. 30- The confidence level 99%, a is not known, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 0- O 4000 8000 12000 1600 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A t4/2= (Round to two decimal places as needed.) Za12= (Round to two decimal places as needed.) OB. OC. Neither the normal distribution nor the t distribution applies.
Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). What is the value of the margin of error? Choose the correct answer below. A. 15 mm B. 52.5 mm O c. 7.5 mm O D. 1.96
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t,/2, (b) find the critical value z,12, or (c) state that neither the normal distribution nor the t distribution applies. 40- The confidence level is 95%, o is not known, and the histogram of 58 player salaries (in thousands of dollars) of football players on a team is as shown. 30- 20- 10- 4000 8000 1200 1600 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. ta/2= (Round to two decimal places as needed.) OB. Za/2 = (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies. houanbo
Construct the indicated confidence interval for the population mean μ. (Round results to 3 decimal places.) 1. c = 0.80, x= 325, o 17, n = 89 = 2. c = 0.95, x = 188, o 12, n = 67 = 3. Tea consumption. A researcher wants to estimate the mean tea consumption of an organization. The tea consumption in pounds for 25 randomly selected tea drinkers in the organization were gathered. Their tea consumption is listed in Table 1. Assume that o = 1.0 pounds and the tea consumption follows a normal distribution. Construct a 95% confidence for the population mean. 1.9 3.4 1.9 2.3 1.2 Table 1. Tea consumption Tea Consumption (pounds) 4.5 2.8 2.8 3.2 0.9 2.3 3.4 1.7 2.6 1.9 3.6 2.9 3.3 2.4 2.9 3.2 2.9 2.8 3.1 2.0
F Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value ta/2, (b) find the critical value Za/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, o is not known, and the histogram of 65 player salaries (in thousands of dollars) of football players on a team is as shown. UA. ta/2 O B. (Round to two decimal places as needed.) Za/2= (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies. 40- 30- 20- 0- 0 4000 8000 12000 16000 20000 Salary (thousands of dollars) Q Q 4
26

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