SOLUTION: In a capture-recapture study, a biologist tagged and released 320 deer. A month later she captured 50 deer, 30 of which had tags. About how many deer were in the population?

Question 767423: In a capture-recapture study, a biologist tagged and released 320 deer. A month later she captured 50 deer, 30 of which had tags. About how many deer were in the population?

Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
Of the deer re-captured, had tags.
That means that =60% of the re-captured deer had tags.

Assuming the same proportion of the entire deer population has tags, the deer initially tagged and released would be of the total number of deer.

If the entire deer population consists of deer,
--> -->
That calculates as .
So the biologist will estimate it as
RELATED QUESTIONS
In a capture-recapture study, a biologist tagged and released 320 deer. A month later she (answered by stanbon)

In a capture-recapture study, a biologist tagged and released 320 deer. A month later... (answered by stanbon)

In a capture-recapture study, a biologist tagged and released 200 deer. A month later she (answered by ewatrrr)

In a capture-recapture study, a biologist tagged and released 387 deer. A month later she (answered by jorel1380,edjones,csmarker)

biologist tagged and released 330 deer. A month later she captured 40 deer, 30 of which... (answered by josgarithmetic)

biologist tagged and released 200 deer a month later she captured 60 deer, 30 which had... (answered by josgarithmetic)

3. A team of biologists captured and tagged 85 deer in a forest. Two weeks later, the... (answered by josmiceli)

A national forest service wanted to estimate the number of deer in a particular national... (answered by ankor@dixie-net.com)

A conservationist catches 890 deer, tags them and lets them go. Later, 356 deer are... (answered by stanbon)