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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=903 and x=595 who said "yes." Use a 95% confidence level. 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. E= (Round to three decimal places as needed.) c) Construct the confidence interval. 0

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=903 and x=595 who said "yes." Use a 95% confidence level. 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. E= (Round to three decimal places as needed.) c) Construct the confidence interval. 0

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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Q Standard Normal (z) Distribution D Z 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 A. 0 Z .00 5000 5398 5793 6179 6554 6915 .7257 7580 Cumulative Area from the LEFT .03 5120 .5517 5910 6293 6664 .7019 7357 7673 .01 5040 5438 5832 .6217 .6591 .6950 .7291 7611 POSITIVE z Scores .02 5080 5478 5871 .6255 .6628 .6985 .7324 7642 .04 5160 5557 5948 6331 6700 .7054 7389 7704 Print .05 5199 5596 5987 6368 6736 .7088 .7422 7734 Done .06 5239 5636 .6026 .6406 .6772 7123 .7454 7764 07 5279 5675 6064 6443 6808 .7157 7486 7794 .08 5319 5714 6103 6480 6844 7190 7517 7823 .09 5359 .5753 .6141 .6517 .6879 7224 .7549 7852 Z 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 -Xit test
Transcribed Image Text:Q Standard Normal (z) Distribution D Z 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 A. 0 Z .00 5000 5398 5793 6179 6554 6915 .7257 7580 Cumulative Area from the LEFT .03 5120 .5517 5910 6293 6664 .7019 7357 7673 .01 5040 5438 5832 .6217 .6591 .6950 .7291 7611 POSITIVE z Scores .02 5080 5478 5871 .6255 .6628 .6985 .7324 7642 .04 5160 5557 5948 6331 6700 .7054 7389 7704 Print .05 5199 5596 5987 6368 6736 .7088 .7422 7734 Done .06 5239 5636 .6026 .6406 .6772 7123 .7454 7764 07 5279 5675 6064 6443 6808 .7157 7486 7794 .08 5319 5714 6103 6480 6844 7190 7517 7823 .09 5359 .5753 .6141 .6517 .6879 7224 .7549 7852 Z 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 -Xit test
Use the sample data and confidence level given below to complete parts (a) through (d). K A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=903 and x = 595 who said "yes." Use a 95% confidence level. 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. E=0 (Round to three decimal places as needed.) c) Construct the confidence interval. 0<P<0 (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. O A. 95% of sample proportions will fall between the lower bound and the upper bound. OB. One has 95% 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 95% confidence that the sample proportion is equal to the population proportion. OD. There is a 95% 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). K A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=903 and x = 595 who said "yes." Use a 95% confidence level. 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. E=0 (Round to three decimal places as needed.) c) Construct the confidence interval. 0<P<0 (Round to three decimal places as needed.) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. O A. 95% of sample proportions will fall between the lower bound and the upper bound. OB. One has 95% 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 95% confidence that the sample proportion is equal to the population proportion. OD. There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound.
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