A poll by Yankelovich Partners concluded that 61% of all households have a computer, with a margin
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A poll by Yankelovich Partners concluded that 61% of all households have a computer, with a margin of error of 3.5 percentage points. Approximately what sample size must have been used in this poll?
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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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