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A pollster wants to estimate the difference between the proportions of men and women who favor a particular national candidate, using a 90% confidence interval of width 0.08. Suppose the pollster has no prior information about the proportions. If equal numbers of men and women are to be polled, how large should the sample sizes be? The sample sizes should be n, =n2 =: (Round up to the nearest integer.)

A pollster wants to estimate the difference between the proportions of men and women who favor a particular national candidate, using a 90% confidence interval of width 0.08. Suppose the pollster has no prior information about the proportions. If equal numbers of men and women are to be polled, how large should the sample sizes be? The sample sizes should be n, =n2 =: (Round up to the nearest integer.)

MATLAB: An Introduction with Applications
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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Apollster wants to estimate the difference between the proportions of men and women who favor a particular national candidate, using a 90% confidence interval of width 0.08. Suppose the pollster has no prior information about the proportions. If equal numbers of men and women are to be polled, how large should the sample sizes be? The sample sizes should be n, =n, = (Round up to the nearest integer.) dn
Transcribed Image Text:Apollster wants to estimate the difference between the proportions of men and women who favor a particular national candidate, using a 90% confidence interval of width 0.08. Suppose the pollster has no prior information about the proportions. If equal numbers of men and women are to be polled, how large should the sample sizes be? The sample sizes should be n, =n, = (Round up to the nearest integer.) dn
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