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A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 1077 and x = 509 who said "ves." Use a 95% confidence level. a) ring the best point estimate or the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval. << (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. ÓA. A. There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound. OB. One has 95% confidence that the sample proportion is equal to the population proportion. OC. 95% of sample proportions will fall between the lower bound and the upper bound. OD. One has 95% confidence that the interval from the lower bound to the unner bound actually does contain the

A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 1077 and x = 509 who said "ves." Use a 95% confidence level. a) ring the best point estimate or the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval. << (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. ÓA. A. There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound. OB. One has 95% confidence that the sample proportion is equal to the population proportion. OC. 95% of sample proportions will fall between the lower bound and the upper bound. OD. One has 95% confidence that the interval from the lower bound to the unner bound actually does contain the

MATLAB: An Introduction with Applications
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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Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=1077 and x = 509 who said "ves." Use a 95% confidence level. a) Find the best point estimate or the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval. <p< (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. Ó A. A. There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound. OB. One has 95% confidence that the sample proportion is equal to the population proportion. OC. 95% of sample proportions will fall between the lower bound and the upper bound. OD. One has 95% confidence that the interval from the lower bound to the upper bound actually does contain the
Transcribed Image Text:Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=1077 and x = 509 who said "ves." Use a 95% confidence level. a) Find the best point estimate or the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval. <p< (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. Ó A. A. There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound. OB. One has 95% confidence that the sample proportion is equal to the population proportion. OC. 95% of sample proportions will fall between the lower bound and the upper bound. OD. One has 95% confidence that the interval from the lower bound to the upper bound actually does contain the
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