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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.

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
Section10.3: Measures Of Spread
Problem 1GP
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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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