A pollster wishes to estimate the true proportion of US voters who oppose capital punishment. How many voters should be surveyed in order to be 90% confident that the true proportion is estimated to within 3.5%?
A pollster wishes to estimate the true proportion of US voters who oppose capital punishment. How many voters should be surveyed in order to be 90% confident that the true proportion is estimated to within 3.5%?
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 3E
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A pollster wishes to estimate the true proportion of US voters who oppose capital punishment. How many voters should be surveyed in order to be 90% confident that the true proportion is estimated to within 3.5%?
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