MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

In a poll of 1000 randomly selected voters in a local election, 771 voters were in favor of school bond measures. 

What is the sample proportion 0.771 What is the margin of error m for the 95% confidence level?
 
critical value
z*=1.960
confidence level
95%
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