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 90% confidence if
(a) he uses a previous estimate of 36%?
(b) he does not use any prior estimates?
(a) n=_________
(Round up to the nearest integer.)
(b) n=__________
(Round up to the nearest integer.)
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Introduction to Real Analysis
Authors: Robert G. Bartle, Donald R. Sherbert
4th edition
471433314, 978-1118135853, 1118135857, 978-1118135860, 1118135865, 978-0471433316
