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A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that supports him/her. If the candidate wants a 10% margin of error at a 95% confidence level, what size of sample is needed? Be sure to round accordingly. The candidate would need to survey  people in the community in order to be within a 10% margin of error at a 95% confidence level.

A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that supports him/her. If the candidate wants a 10% margin of error at a 95% confidence level, what size of sample is needed? Be sure to round accordingly. The candidate would need to survey  people in the community in order to be within a 10% margin of error at a 95% confidence level.

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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A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that supports him/her. If the candidate wants a 10% margin of error at a 95% confidence level, what size of sample is needed? Be sure to round accordingly.

The candidate would need to survey  people in the community in order to be within a 10% margin of error at a 95% confidence level.

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