A group of researchers wanted to monitor the trout population, so they marked 340 trout with tags. Later, they captured 600 trout and found that 30 of them had tags. What is the BEST estimate for the trout population?

Question

Responses

A 6,2006,200

B 6,4006,400

C 6,6006,600

D 6,800

Answer 1

6,800

Answer 2

why

Answer 3

This is because the researchers marked 340 trout and later found 30 trout with tags out of 600 that were captured. We can set up a proportion:

340/x = 30/600

Cross-multiplying, we get:

30x = 20400

Dividing by 30 on both sides:

x = 680

Therefore, the best estimate for the trout population is 6800 (340 marked trout multiplied by 20). Thus, the answer is D) 6,800.