political poll is assessing the relative strengths of two presidential candidates. A value of + 1 is assigned to every person who states a preference for candidate A and a value of -1 is assigned to anyone who indicates a preference for candidate B. a) Find the sample mean if 60% of those polled indicate a preference for candidate A. b) Write an expression for the
political poll is assessing the relative strengths of two presidential candidates. A value of + 1 is assigned to every person who states a preference for candidate A and a value of -1 is assigned to anyone who indicates a preference for candidate B. a) Find the sample mean if 60% of those polled indicate a preference for candidate A. b) Write an expression for the
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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4 A political poll is assessing the relative strengths of two presidential candidates. A value of + 1 is assigned to every person who states a preference for candidate A and a value of -1 is assigned to anyone who indicates a preference for candidate B.
a) Find the sample mean if 60% of those polled indicate a preference for candidate A.
b) Write an expression for the sample mean as a
percentage of those polled that are in favor of candidate A.
c) Find the sample size necessary to estimate the percentage of persons in favor of
candidate A with a standard deviation no greater than 0. 1 %
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