A researcher has told you that she recorded 100 births in a population of 2000 individuals. What is the annual per capita birth rate and the expected number of births per year if the population size was 3000?
A)0.2 and 10
B)0.5 and 150
C)0.05 and 100
D)0.05 and 150
E)You cannot be sure because you were not given the death rate.

Question

Quizplus · Accepted Answer

The annual per capita birth rate is calculated as the number of births divided by the population size, which is 100/2000 = 0.05. If the population size is 3000, the expected number of births is 0.05 * 3000 = 150.

A Researcher Has Told You That She Recorded 100 Births