A researcher wishes to estimate, with (95 %) confidence, the proportion of people who did not have
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A researcher wishes to estimate, with \(95 \%\) confidence, the proportion of people who did not have a land line phone. A previous study shows that \(40 \%\) of those interviewed did not have a land line phone. The researcher wishes to be accurate within \(2 \%\) of the true proportion. Find the minimum sample size necessary.
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Related Book For
Elementary Statistics A Step By Step Approach
ISBN: 9781260360653
11th Edition
Authors: Allan Bluman
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