A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 270 vinyl gloves, 56% leaked viruses. Among 270 latex gloves, 14% 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: 0.35 Test statistic, z: 10.2980 Critical z: 1.6449 P-value: 0.0000 90% Confidence interval: 0.3617660
A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 270 vinyl gloves, 56% leaked viruses. Among 270 latex gloves, 14% 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: 0.35 Test statistic, z: 10.2980 Critical z: 1.6449 P-value: 0.0000 90% Confidence interval: 0.3617660
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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9-1
A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 270 vinyl gloves, 56% leaked viruses. Among 270 latex gloves, 14% 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: 0.35
Test statistic, z: 10.2980
Critical z: 1.6449
P-value: 0.0000
90%
Confidence interval:0.3617660<p1−p2< 0.4826784
Identify the test statistic. ___
(Round to two decimal places as needed.)
Identify the P-value.
(Round to three decimal places as needed.)
What is the conclusion for this test?
The P-value is_____ the significance level α, so the null hypothesis. There is _______ evidence to support the claim that vinyl gloves have a greater virus leak rate than latex gloves.
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