You plan a survey to estimate the proportion of students on your campus who carry an iPad
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You plan a survey to estimate the proportion of students on your campus who carry an iPad regularly. How many students should be in the sample if you want (with 95% confidence) a margin of error of no more than 4 percentage points?
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Related Book For
Statistical Reasoning For Everyday Life
ISBN: 9780321904645
4th International Edition
Authors: Jeffrey Bennett, William L. Briggs, Mario F. Triola
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