Mathematics, 28.06.2019 17:30 jaureguilol1

Aresearcher 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 4 percentage points with 95% confidence if (a) he uses a previous estimate of 26%? (b) he does not use any prior estimates? (a) nequals nothing (round up to the nearest integer.) (b) nequals nothing (round up to the nearest integer.)

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Aresearcher wishes to estimate the percentage of adults who support abolishing the penny. what size...