A political pollster wants to estimate the proportion of voters who will vote for theDemocratic candidate in a presidential campaign. The pollster wants to have 90%confidence that her prediction is correct to within 0.04 of the population proportion. What sample size is needed?
A political pollster wants to estimate the proportion of voters who will vote for theDemocratic candidate in a presidential campaign. The pollster wants to have 90%confidence that her prediction is correct to within 0.04 of the population proportion. What sample size is needed?
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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Question
A political pollster wants to estimate the proportion of voters who will vote for the
Democratic candidate in a presidential campaign. The pollster wants to have 90%
confidence that her prediction is correct to within 0.04 of the population proportion.
Democratic candidate in a presidential campaign. The pollster wants to have 90%
confidence that her prediction is correct to within 0.04 of the population proportion.
What sample size is needed?
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