In a study of perception, 138 men are tested and 16 are found to have red/green color blindness. (a) Find a 90% confidence interval for the true proportion of men from the sampled population that have this type of color blindness. (b) Using the results from the above mentioned survey, how many men should be sampled to estimate the true proportion of men with this type of color blindness to within 4% with 99% confidence? (c) If no previous estimate of the sample proportion is available, how large of a sample should be used in (b)?
In a study of perception, 138 men are tested and 16 are found to have red/green color blindness. (a) Find a 90% confidence interval for the true proportion of men from the sampled population that have this type of color blindness. (b) Using the results from the above mentioned survey, how many men should be sampled to estimate the true proportion of men with this type of color blindness to within 4% with 99% confidence? (c) If no previous estimate of the sample proportion is available, how large of a sample should be used in (b)?
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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