SOLUTION: Biologists want to know how many fish are in a certain lake. On January 1, they removed 500 fish from the lake and tagged them. On February 1, they returned to the lake and collec

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Question 1086458: Biologists want to know how many fish are in a certain lake. On January 1, they removed 500 fish from the lake and tagged them. On February 1, they returned to the lake and collected a random sample of 400 fish, of which eight had been previously tagged. Based on this experiment, approximately how many fish are in the lake?
If you can help me se this up then i could solve it.
Thank you so much!
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
p, population of fish









p=25000
Answer by ikleyn(52787)   (Show Source): You can put this solution on YOUR website!
.
= ,

p = = 50*500 = 25000.


See the lesson
    - Using proportions to estimate the number of fish in a lake
in this site.

The answer by "josgarithmetic was WRONG until he saw my correct solution; then he corrected his answer.



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