A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample
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A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 3 percentage points with 99% confidence if
(a) he uses a previous estimate of 36%?
(b) he does not use any prior estimates?
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Related Book For
Statistics Informed Decisions Using Data
ISBN: 9781292157115
5th Global Edition
Authors: Michael Sullivan
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