A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 232 vinyl gloves, 66% leaked viruses. Among 232 latex gloves, 15% leaked viruses. Using the accompanying display of the technology results, and using a 0.05 significance level, test the claim that vinyl gloves have a greater virus leak rate than latex gloves. Let vinyl gloves be population 1. Pooled proportion: 0.40 Test statistic, z: 11.0735 Critical z: 1.6449 P-value: 0.0000 90% Confidence interval: 0.4400564
A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 232 vinyl gloves, 66% leaked viruses. Among 232 latex gloves, 15% leaked viruses. Using the accompanying display of the technology results, and using a 0.05 significance level, test the claim that vinyl gloves have a greater virus leak rate than latex gloves. Let vinyl gloves be population 1. Pooled proportion: 0.40 Test statistic, z: 11.0735 Critical z: 1.6449 P-value: 0.0000 90% Confidence interval: 0.4400564
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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A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 232 vinyl gloves, 66% leaked viruses. Among 232 latex gloves, 15% leaked viruses. Using the accompanying display of the technology results, and using a 0.05 significance level, test the claim that vinyl gloves have a greater virus leak rate than latex gloves. Let vinyl gloves be population 1.
Pooled proportion: 0.40
Test statistic, z: 11.0735
Critical z: 1.6449
P-value: 0.0000
90% Confidence interval:
0.4400564<p1−p2<
|
What are the null and alternative hypotheses?
Identify the test statistic.
Critical Value?
P-Value?
Conclusion?
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