Let's see...
From the question...
Quote:
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800 motor vehicle collisions occurred over 2 years in a city with a population of 600,000; 600 of these accidents were alcohol-related. During the same period, there were 400 fatalities due to motor vehicle collisions, of which 75% were alcohol-related. Which of the following best represents the 1-year incidence of alcohol-related motor vehicle fatalities in this community?
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In this city X:
Population= 600,000
In a period of 2 years
800 motor vehicle collisions ocurred
In the same period of 2y... they tell us that they had:
400 deaths due to these motor vehicle collisions and
75% from this number of deaths were OH-related
With all this information we can only get the
2-year Incidence of alcohol-related motor vehicle fatalities, which will be:
OH-related motor vehicle fatalities= 400x75%= 300
Population= 600 000
Incidence= 300/600 000= 300 per 600 000
BUT...
The question is:
" Which of the following best represents the
1-year incidence of alcohol-related motor vehicle fatalities in this community?
Tricky question huh
I agree, the answer for me would also be E)