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A news outlet will conduct a poll of American adults in order to investigate attitudes concerning the government's policies in regard to developments in a foreign country. The outlet wants to determine the percentage of adults who approve of the government's policies, with a 95% confidence of a maximum sample error of 3%. The news outlet has no existir data on the public's approval rating on these policies. What is the minimum sample size that the outlet should obtain? Round to the nearest whole number. o 1068. O 560 O 2134 O752

A news outlet will conduct a poll of American adults in order to investigate attitudes concerning the government's policies in regard to developments in a foreign country. The outlet wants to determine the percentage of adults who approve of the government's policies, with a 95% confidence of a maximum sample error of 3%. The news outlet has no existir data on the public's approval rating on these policies. What is the minimum sample size that the outlet should obtain? Round to the nearest whole number. o 1068. O 560 O 2134 O752

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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A news outlet will conduct a poll of American adults in order to investigate attitudes concerning the government's policies in regard to developments in a foreign country. The outlet wants to determine the percentage of adults who approve of the government's policies, with a 95% confidence of a maximum sample error of 3%, The news outlet has no existins data on the publies approval rating on these policies. What is the minimum sample size that the outlet should obtain? Round to the nearest whole number. o 1068 560 O2134 0752
Transcribed Image Text:A news outlet will conduct a poll of American adults in order to investigate attitudes concerning the government's policies in regard to developments in a foreign country. The outlet wants to determine the percentage of adults who approve of the government's policies, with a 95% confidence of a maximum sample error of 3%, The news outlet has no existins data on the publies approval rating on these policies. What is the minimum sample size that the outlet should obtain? Round to the nearest whole number. o 1068 560 O2134 0752
A survey is taken on a healthcare issue, where opinion is likely to be different between young and old people. A simple random sample is taken of young people and a separate simple random sample is taken of older people, and the responses to the survey question are combined. It is desired to make a confidence interval for the proportion of all people, who agree with the statement made in the survey. Is it posshsle to construct the confidence interval? o No, because this is a stratified sample, and confidenee intervals only apply to simple random samples: o No, because a systematic sample is used here, and confidence intervals only apply to simple random samples. O No, because simple random samples were used here, and confidence intervals apply to some other kind of sampling. O Yes, because random samples were taken.
Transcribed Image Text:A survey is taken on a healthcare issue, where opinion is likely to be different between young and old people. A simple random sample is taken of young people and a separate simple random sample is taken of older people, and the responses to the survey question are combined. It is desired to make a confidence interval for the proportion of all people, who agree with the statement made in the survey. Is it posshsle to construct the confidence interval? o No, because this is a stratified sample, and confidenee intervals only apply to simple random samples: o No, because a systematic sample is used here, and confidence intervals only apply to simple random samples. O No, because simple random samples were used here, and confidence intervals apply to some other kind of sampling. O Yes, because random samples were taken.
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