A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 8% margin of error at a 95% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places. Hint: Video [+]

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A political candidate has asked you to conduct a poll to determine what percentage of people support him.
If the candidate only wants a 8% margin of error at a 95% confidence level, what size of sample is needed?
When finding the z-value, round it to four decimal places.
Hint: Video [+]
Transcribed Image Text:A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 8% margin of error at a 95% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places. Hint: Video [+]
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