A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 7% margin of error at a 95% confidence level, what sample size is needed? (Note: round your z-score to three decimal places.)

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question 2
A political candidate has asked you to conduct a poll to determine what percentage of people support her.
If the candidate only wants a 7% margin of error at a 95% confidence level, what sample size is needed?
(Note: round your z-score to three decimal places.)
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Transcribed Image Text:く Question 2 A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 7% margin of error at a 95% confidence level, what sample size is needed? (Note: round your z-score to three decimal places.) Submit Question tv LEE MacBook Air 80 DII F2 F3 F5 F6 F 7 FB F9 @ #3 & 2 3 4 7 W Y U F H. J K * CO くO
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