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A study conducted at George Washington University found that among the 1645 surveyed, 54.4% were willing to masks inside (group 1) while 45.6% were not
- A study conducted at George Washington University found that among the 1645 surveyed, 54.4% were willing to masks inside (group 1) while 45.6% were not willing to wear masks inside (group 2). Additionally, 850 in group 1 were vaccinated and boosted for COVID-19 and 375 in group 2 were vaccinated and boosted for COVID-19. Using a 0.05 significance level, you need to test the claim that the proportion of people who were vaccinated is lower among those who do not wear masks inside. What is the value of the test statistic you should use to test the given hypothesis?
- 0.763
- 1.213
- 4.594
- 12.348
- 20.834
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Graphical Approach To Precalculus With Limits A Unit Circle Approach, A
Authors: John E Hornsby, Margaret L Lial, Gary K Rockswold
5th Edition
0321899806, 9780321899804
