Respuesta :
15/207 = x/100, 15x100= 1500, 207xx, so 207x=1500, divide by 207, x=7.25%
Based on the total number of people affected and the number of students in total, the attack rate for influenza in that time period must have been 24.6%.
The attack rate of a disease is calculated as:
= Students who got influenza / Total number of students who could have gotten it x 100%
Solving would give:
= 51 / 207 x 100%
= 24.6%
In conclusion, the attack rate was 24.6%.
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