Pew Research conducted a study in 2018 to estimate the percentage of Americans who do not use
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Pew Research conducted a study in 2018 to estimate the percentage of Americans who do not use the Internet.
a. If a 95% confidence level is used, how many people should be included in the survey if the researchers wanted to have a margin of error of 6%?
b. How would the sample size change if the researchers wanted to estimate the percentage with a margin of error of 4%?
c. What is the relationship between the size of the margin of error and the sample size?
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Related Book For
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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