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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= 1018 and x = 550 who said "yes." Use a 90% confidence level. E Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. (Round to three decimal places as needed.) c) Construct the confidence interval. O

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= 1018 and x = 550 who said "yes." Use a 90% confidence level. E Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. (Round to three decimal places as needed.) c) Construct the confidence interval. O

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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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= 1018 and x = 550 who said "yes." Use a 90% confidence level. %3D Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. D E = (Round to three decimal places as needed.) c) Construct the confidence interval. <p<U (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. O A. 90% of sample proportions will fall between the lower bound and the upper bound. O B. One has 90% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. Oc. One has 90% confidence that the sample proportion is equal to the population proportion. O D. There is a 90% chance that the true value of the population proportion will fall between the lower bound and the upper bound.
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= 1018 and x = 550 who said "yes." Use a 90% confidence level. %3D Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. D E = (Round to three decimal places as needed.) c) Construct the confidence interval. <p<U (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. O A. 90% of sample proportions will fall between the lower bound and the upper bound. O B. One has 90% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. Oc. One has 90% confidence that the sample proportion is equal to the population proportion. O D. There is a 90% chance that the true value of the population proportion will fall between the lower bound and the upper bound.
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