MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Concept explainers

2-Proportion Test
In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.
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Imagine that I want to conduct a survey to find out how many households have at least one cat. If I want to be within 10 percentage points with 80% confidence, how many households must I survey? T TTArial v 3 (12pt) ABC v T-= 只i y Click Save and Submit to saua
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Transcribed Image Text:Imagine that I want to conduct a survey to find out how many households have at least one cat. If I want to be within 10 percentage points with 80% confidence, how many households must I survey? T TTArial v 3 (12pt) ABC v T-= 只i y Click Save and Submit to saua
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It is given that margin of error (E) is 0.10 and the confidence level is 0.80.

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