5. In a mark-recapture study of a lake trout population, 40
fish were captured, marked, and relased. in a second capture, 45 fish were captured;
9 of these were marked. What is the estimated number of individuals in the lake
trout population?
a. 90
b. 200
c. 360
d. 800
e. 1800
------- [Answer] -------
Slichter