Question

will fan+medal!!! !!!! PLEASE HELP ME!!!!!!!!!!!!!!

Game wardens use experiments to help determine the number of fish in a lake. Suppose 80 fish are caught, tagged and releases back into the lake. Two weeks later 120 fish are caught, 3 of which are found to have tags. Using this information, estimate the number of fish in the lake.

a. 3,200
b. 600
c. 120
d. 280

Answer 1

this is called capture, re-capture and used ratios to estimate populations

let p = the population

then

\[\frac{p}{80} = \frac{120}{3}\]

Answer 2

so, it would be A?

Answer 3

you need to solve for p... the method is

\[\frac{populatio}{tagged} = \frac{re-capture}{re-capture~~tagged}\]

it assumes the ratio in the recapture is the same across the entire population

Answer 4

that's correct