Question
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
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 95% confidence if
(a) he uses a previous estimate of 34%?
(b) he does not use any priorestimates?
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Making Hard Decisions with decision tools
Authors: Robert Clemen, Terence Reilly
3rd edition
538797576, 978-0538797573
