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The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 44 who smoke. In an earlier study, population proportion was estimated to be 0.2. How large a sample would be required in order to estimate the fraction of Americans over 44 who smoke at the 80 % confidence level with an error of at most 0.03? Round your answer up to the next integer.

The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 44 who smoke. In an earlier study, population proportion was estimated to be 0.2. How large a sample would be required in order to estimate the fraction of Americans over 44 who smoke at the 80 % confidence level with an error of at most 0.03? Round your answer up to the next integer.

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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The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 44 who smoke. In an earlier study, the population proportion was estimated to be 0.2. How large a sample would be required in order to estimate the fraction of Americans over 44 who smoke at the 80 % confidence level with an error of at most 0.03? Round your answer up to the next integer. Answor
Transcribed Image Text:The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 44 who smoke. In an earlier study, the population proportion was estimated to be 0.2. How large a sample would be required in order to estimate the fraction of Americans over 44 who smoke at the 80 % confidence level with an error of at most 0.03? Round your answer up to the next integer. Answor
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