A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 10% margin of error at a 90% confidence level, what is the sample size that is needed? Give your answer as a whole number.
A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 10% margin of error at a 90% confidence level, what is the sample size that is needed? Give your answer as a whole number.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 7E
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A political candidate has asked you to conduct a poll to determine what percentage of people support her.
If the candidate only wants a 10% margin of error at a 90% confidence level, what is the
Give your answer as a whole number.
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