The New York Times published an article about a study in which Professor Denise Korniewicz and other John Hopkins researchers subjected laboratory gloves to stress. Among 240 vinyl gloves, 63% leaked viruses. Among 240 latex gloves, 7% leaked viruses. Using a 0.01 significance level, test the claim that vinyl gloves have a greater virus leak rate than latex gloves.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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The New York Times published an article about a study in which Professor Denise Korniewicz and other John Hopkins researchers subjected laboratory gloves to stress. Among 240 vinyl gloves, 63% leaked viruses. Among 240 latex gloves, 7% leaked viruses. Using a 0.01 significance level, test the claim that vinyl gloves have a greater virus leak rate than latex gloves.

Hint: 63% of 240=.63(240)=151.2=151 (round to nearest whole number)

7% of 240=.07(240)=16.8=17 (round to nearest whole number)

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