Mathematics, 15.04.2020 18:44, lamashermosa23
An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,000 (during the midpoint of the year), produced the following data for a particular year:
Number of skaters in Metroville during any given month 12,000
Roller-skating injuries in Metroville 600
Total number of residents injured from roller-skating 1,800
Total number of deaths from roller-skating 90
Total number of deaths from all causes 900
The proportional mortality ratio (%) due to roller-skating was:
a. 90/600 ร 100
b. 90/100,000 ร 100
c. 90/1,800 ร 100
d. 90/900 ร 100
Answers: 1
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An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,00...
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