A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 252 vinyl​ gloves, 67​% leaked viruses. Among 252 latex​ gloves, 7​% leaked viruses. Using the accompanying display of the technology​ results, and using a 0.01 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: 0.37 Test​ statistic, z: 14.0310 Critical​ z: 2.3264 ​ P-value: 0.0000   98​% Confidence​ interval: 0.5251062

MATLAB: An Introduction with Applications
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A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among
252
vinyl​ gloves,
67​%
leaked viruses. Among
252
latex​ gloves,
7​%
leaked viruses. Using the accompanying display of the technology​ results, and using a
0.01
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: 0.37
Test​ statistic, z: 14.0310
Critical​ z: 2.3264
​ P-value: 0.0000
 
98​%
Confidence​ interval:
0.5251062<p1−p2<
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