A researcher wishes to test the effectiveness of a flu vaccination. 150 people are vaccinated, 180 people are vaccinated with a placebo, and 100 people are not vaccinated. The number in each group who later caught the flu was recorded. The results are shown below. Vaccinated Placebo Control Caught the flu 9 24 21 Did not catch the flu 141 156 79 Use a 0.05 significance level to test the null hypothesis that the proportion of people catching the flu is the same in all three groups.

A researcher wishes to test the effectiveness of a flu vaccination. 150 people are vaccinated, 180 people are vaccinated with a placebo, and 100 people are not vaccinated. The number in each group who later caught the flu was recorded. The results are shown below. Vaccinated Placebo Control Caught the flu 9 24 21 Did not catch the flu 141 156 79 Use a 0.05 significance level to test the null hypothesis that the proportion of people catching the flu is the same in all three groups.

Name: A researcher wishes to test the effectiveness of a flu vaccination. 15
Uploaded: 2024-03-20T07:07:00.000Z
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Description: A researcher wishes to test the effectiveness of a flu vaccination. 150 people are vaccinated, 180 people are vaccinated with a placebo, and 100 people are not vaccinated. The number in each group who later caught the flu was recorded. The results ar

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 5E: List the sample space of each experiment. Rolling one die and tossing one coin

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	Vaccinated	Placebo	Control
Caught the flu	9	24	21
Did not catch the flu	141	156	79