Q2 · Practice questionSimple familiar1 mark
QUESTION 2
A ranger marks and releases 48 freshwater turtles. After the marks have mixed through the population, 60 turtles are caught; 12 are marked. Using the Lincoln index, the estimated population size is
(A)
120
(B)
180
(C)
240
(D)
2880
WORKED SOLUTION
1 markAnswer C
Answer
C
Working
turtles. The calculation assumes a closed population, retained marks and equal capture probability.
Marking criteria
- Select C. [1 mark]
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus