SOLUTION: Biologists tagged 122 fish in a lake on January 1. On February 1, they returned and collected a random sample of 44 fish, 11 of which had been previously tagged. On the basis of ex

Question 1093177: Biologists tagged 122 fish in a lake on January 1. On February 1, they returned and collected a random sample of 44 fish, 11 of which had been previously tagged. On the basis of experiment, approximately how many fish does the lake; have? There are approx how many fish in the lake?
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
one quarter of the fish in the lake 11/44 are assumed to be tagged.
Therefore, the number of tagged fish represents 1/4 of the number of the fish in the lake, or 122*4=488 fish in the lake.
Answer by ikleyn(52832)   (Show Source): You can put this solution on YOUR website!
.
See the lesson
    - Using proportions to estimate the number of fish in a lake
in this site.

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