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 99% confidence if (a) he uses a previous estimate of 34%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.) Submit t Sign out O us 9 O 1 hp esc #3 2$ & 081 2 3 4 u e

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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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 99% confidence if
(a) he uses a previous estimate of 34%?
(b) he does not use any prior estimates?
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
(a) n= (Round up to the nearest integer.)
(b) n= (Round up to the nearest integer.)
Submit te
Sign out
O us 9 O 14
hp
女
esc
2#
2$
&
8
2
3
5
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Transcribed Image Text: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 99% confidence if (a) he uses a previous estimate of 34%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.) Submit te Sign out O us 9 O 14 hp 女 esc 2# 2$ & 8 2 3 5 e
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