find the sample size needed to estimate the percentage of democrats who have tattoos. Use a 0.05 margin of error. use a confidence level of 99%, and use results from prior harris poll suggesting that 15% of democrats have tattoos.

find the sample size needed to estimate the percentage of democrats who have tattoos. Use a 0.05 margin of error. use a confidence level of 99%, and use results from prior harris poll suggesting that 15% of democrats have tattoos.

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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Question

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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