recent train derailment exposed residents of a community to a chemical hazard. W

Question

recent train derailment exposed residents of a community to a chemical hazard. Within days many residents became ill; some died. Which denominator would you use to calculate the probability, that is the risk of developing a chemical hazard related illness or risk of illness? O a. The average size of the population at risk during the period ok The size of the population at risk at the midpoint of the period Oc The size of the population at the end of the period O d. The size of the population at risk at the beginning of the period

Explanation / Answer

I think the correct answer should be A) The average size of the polulation at risk during the period as this would include all the infected including some of those that died during the period.

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