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Mathematics, 13.12.2019 04:31 yedida
Anewspaper published an article about a study in which researchers subjected laboratory gloves to stress. among 225 vinyl? gloves, 60? % leaked viruses. among 225 latex? gloves, 9? % 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.
technology results: : :
pooled? proportion: 0.35
test? statistic, z: 11.2921
critical? z: 1.6449
? p-value: 0.
90? % confidence? interval:
0.4441890 < p1? p2 < 0.5691444
a) what are the null and alternative hypotheses?
b) identify the test statistic
c) identify the p-value
d) what is the conclusion for the test?
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Answers: 1
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