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An official at the emergency operations center of Martin County needs to estimate the proportion of county residents that the plan not to evacuate in the event of a hurricane. To help with this estimate the official surveyed a small group of county residents and found that 5% of the sample do not plan to evacuate in the event of a hurricane. How large a sample should be selected such that the margin of error of the estimate for a 90% confidence interval is at most 6%. Round the solution up to the nearest whole number.

An official at the emergency operations center of Martin County needs to estimate the proportion of county residents that the plan not to evacuate in the event of a hurricane. To help with this estimate the official surveyed a small group of county residents and found that 5% of the sample do not plan to evacuate in the event of a hurricane. How large a sample should be selected such that the margin of error of the estimate for a 90% confidence interval is at most 6%. Round the solution up to the nearest whole number.

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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An official at the emergency operations center of Martin County needs to estimate the proportion of county residents that the plan not to evacuate in the event of a hurricane. To help with this estimate the official surveyed a small group of county residents and found that 5% of the sample do not plan to evacuate in the event of a hurricane. How large a sample should be selected such that the margin of error of the estimate for a 90% confidence interval is at most 6%. Round the solution up to the nearest whole number.
Transcribed Image Text:An official at the emergency operations center of Martin County needs to estimate the proportion of county residents that the plan not to evacuate in the event of a hurricane. To help with this estimate the official surveyed a small group of county residents and found that 5% of the sample do not plan to evacuate in the event of a hurricane. How large a sample should be selected such that the margin of error of the estimate for a 90% confidence interval is at most 6%. Round the solution up to the nearest whole number.
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