Within a small town in New Zealand whose population is 500, initial testing and
ID: 125360 • Letter: W
Question
Within a small town in New Zealand whose population is 500, initial testing and examination revealed 5 persons with tuberculosis (TB). Over the following 5 years, 10 more persons developed TB; 4 of these persons died during that time.
The 5-year risk of developing TB in this town was (assume that the population size is constant):
5/500 or 10 per thousand
5/ 495 or 10.1 per thousand
20/500 or 40 per thousand
10/495 or 20.2 per thousand person-years
10/495 or 20.2 per thousand
A.5/500 or 10 per thousand
B.5/ 495 or 10.1 per thousand
C.20/500 or 40 per thousand
D.10/495 or 20.2 per thousand person-years
E.10/495 or 20.2 per thousand
Explanation / Answer
Option C - 20/500 or 40 per thousand.
Explanation -
Computing the Probability of a Solitary Occasion:
-Describe your proceedings and outcomes. Probability is the possibility of one or additional events happening distributed by the quantity of possible consequences.
-Divide the amount of proceedings by the number of probable results.
Probability is a kind of ratio where we associate how many intervals a result can happen paralleled to all likely outcomes.
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