1. Using the table from the last question, calculate the overall attack rate in persons who did not eat ice cream.
Homework Answers
Calculation of the overall attack rate in persons who did not eat ice cream:
Overall attack rate = Total number of new cases / Population X 100
Total no of new cases who did not eat ice cream = 14 + 9 = 23
Population = 40 + 30 = 70
Overall attack rate = 23 / 70 X 100
=32.85 percent.
= 33 percent.
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