A researcher wishes to test the effectiveness of a flu vacci…

Written by Anonymous on May 18, 2026 in Uncategorized with no comments.

Questions

A reseаrcher wishes tо test the effectiveness оf а flu vаccinatiоn. 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 8 19 21 Did not catch the flu 142 161 70 Use a 0.05 significance level to test the claim that getting the flu is independent of vaccination treatment.  Clearly show all five steps on your scratch paper.  Enter the p-value below. What is the p-value?   Round to 4 decimal places [pvalue]  

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