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Suppose the U.S. president wants to estimate the proportion of the population that supports his current policy toward revisions in the health care system. The president wants the margin of error to be 0.03. Assume a 98% level of confidence. The president's political advisors found a similar survey from two years ago that reported that 58% of people supported health care revisions. a. How large of a sample is required? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample 1,470 b. How large of a sample would be necessary if no estimate were available for the proportion supporting current policy? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample

Suppose the U.S. president wants to estimate the proportion of the population that supports his current policy toward revisions in the health care system. The president wants the margin of error to be 0.03. Assume a 98% level of confidence. The president's political advisors found a similar survey from two years ago that reported that 58% of people supported health care revisions. a. How large of a sample is required? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample 1,470 b. How large of a sample would be necessary if no estimate were available for the proportion supporting current policy? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample

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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Suppose the U.S. president wants to estimate the proportion of the population that supports his current policy toward revisions in the health care system. The president wants the margin of error to be 0.03. Assume a 98% level of confidence. The president's political advisors found a similar survey from two years ago that reported that 58% of people supported health care revisions. a. How large of a sample is required? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample 1,470 b. How large of a sample would be necessary if no estimate were available for the proportion supporting current policy? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample
Transcribed Image Text:Suppose the U.S. president wants to estimate the proportion of the population that supports his current policy toward revisions in the health care system. The president wants the margin of error to be 0.03. Assume a 98% level of confidence. The president's political advisors found a similar survey from two years ago that reported that 58% of people supported health care revisions. a. How large of a sample is required? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample 1,470 b. How large of a sample would be necessary if no estimate were available for the proportion supporting current policy? (Round intermediate values to 2 decimal points. Round your answer up to the next whole number.) Sample
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