A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 10% 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.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 69E
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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 10% margin of error at a 95% confldence level, what size of sample Is
needed? When finding the z-value, round it to four decimal places.
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Transcribed Image Text:Question 8 A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 10% margin of error at a 95% confldence level, what size of sample Is needed? When finding the z-value, round it to four decimal places. Add Work > Next Question Type here to search 近
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