For the provided sample mean, sample size, and population standard deviation, complete parts (a) through (c) below. ASsume that x is normally distributed. x= 35, n= 9, o = 6 a. Find a 95% confidence interval for the population mean. The 95% confidence interval is from 31.08 to 38.92 (Round to two decimal places as needed.) b. Identify and interpret the margin of error. The margin of error is 3.92 (Round to two decimal places as needed.) Interpret the margin of error. Choose the correct answer below. O A. We can be 95% confident that any possible sample mean is within the margin of error of 35. B. We can be 95% confident that the population mean, u, is within the margin of error of the sample mean, 35. O C. We can be 95% confident that any possible value of the variable is within the margin of error of the population mean, H. O D. We can be 95% confident that any possible value of the variable is within the margin of error of the'sample mean, 35. c. Express the endpoints of the confidence interval in terms of the point estimate and the margin of error. The 95% confidence interval is (Round to two decimal places as needed.)
For the provided sample mean, sample size, and population standard deviation, complete parts (a) through (c) below. ASsume that x is normally distributed. x= 35, n= 9, o = 6 a. Find a 95% confidence interval for the population mean. The 95% confidence interval is from 31.08 to 38.92 (Round to two decimal places as needed.) b. Identify and interpret the margin of error. The margin of error is 3.92 (Round to two decimal places as needed.) Interpret the margin of error. Choose the correct answer below. O A. We can be 95% confident that any possible sample mean is within the margin of error of 35. B. We can be 95% confident that the population mean, u, is within the margin of error of the sample mean, 35. O C. We can be 95% confident that any possible value of the variable is within the margin of error of the population mean, H. O D. We can be 95% confident that any possible value of the variable is within the margin of error of the'sample mean, 35. c. Express the endpoints of the confidence interval in terms of the point estimate and the margin of error. The 95% confidence interval is (Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:For the provided sample mean, sample size, and population standard deviation, complete parts (a) through (c) below. Assume that x is normally distributed.
x- 35, n 9, o = 6
.....
a. Find a 95% confidence interval for the population mean.
The 95% confidence interval is from 31.08 to 38.92.
(Round to two decimal places as needed.)
b. Identify and interpret the margin of error.
The margin of error is 3.92.
(Round to two decimal places as needed.)
Interpret the margin of error. Choose the correct answer below. .
O A. We can be 95% confident that any possible sample mean is within the margin of error of 35.
B. We can be 95% confident that the population mean, µ, is within the margin of error of the sample mean, 35.
C. We can be 95% confident that any possible value of the variable is within the margin of error of the population mean, µ..
O D. We can be 95% confident that any possible value of the variable is within the margin of error of the'sample mean, 35.
c. Express the endpoints of the confidence interval in terms of the point estimate and the margin of error.
The 95% confidence interval is +.
(Round to two decimal places as needed.)
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