Researchers captured 100 fish in a lake, marked them, and released them. One week later they captured 80 fish, of which 20 were marked.
Using N = (M x C)/R, what is the estimated population size?
- Acheck_circle
400 fish
- B
1600 fish
- C
100 fish
- D
200 fish
Explanation
N = (100 x 80)/20 = 8000/20 = 400 fish.