不 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 4 percentage points with 90% confidence if (a) he uses a previous estimate of 22%? (b) he does not use any prior estimates? Click here to view the standand normal distribution table 1). Click here to view the standard normal distribution tableage 21 (a) n(Round up to the nearest integer)
不 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 4 percentage points with 90% confidence if (a) he uses a previous estimate of 22%? (b) he does not use any prior estimates? Click here to view the standand normal distribution table 1). Click here to view the standard normal distribution tableage 21 (a) n(Round up to the nearest integer)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 4 percentage points with 90% confidence if
(a) he uses a previous estimate of 22%?
(b) he does not use any prior estimates?
Gick here to view the standard normal distribution table
1).
Click here to view the standand normal distribution table roage 2)
(a) = (Round up to the nearest integer)
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