3. During 2018, 23 cases of
malaria occurred in a district with a stable population of 6,500
persons. The distribution of the malaria cases during the calendar
year was: first quarter, 2; second quarter, 1; third quarter, 4;
and the fourth quarter, 16.
3.1 What was the incidence of malaria per 100,000
persons in that district during that year?
a. 3.5
b. 35.4
c. 282.6
d. 353.8
e. 3538.5
3.2 What was the incidence per 10,000 population during
the second quarter?
a. 0.9
b. 1.5
c. 6.2
d. 153.8
e. 1538.5
3.3 What was the incidence per 10,000 population during
the fourth quarter?
a. 0.25
b. 1.5
c. 2.4
d. 9.2
e. 24.6