Biologists tagged 180 fish in a lake on January 1. On February 1, they returned and collected a random sample of 45 fish, 15 of which had been previously tagged. On the basis of this experiment, approximately how many fish does the lake have?

Question

Biologists tagged 180 fish in a lake on January 1. On February​ 1, they returned and collected a random sample of 45 ​fish, 15 of which had been previously tagged. On the basis of this​ experiment, approximately how many fish does the lake​ have?

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Biologists tagged 180 fish in a lake on January 1. On February​ 1, they returned and collected a random sample of 45 ​fish, 15 of which had been previously tagged. On the basis of this​ experiment, approximately how many fish does the lake​ have?

Biologists tagged 180 fish in a lake on January 1. On February 1, they returned and collected a random sample of 45 fish, 15 of which had been previously tagged. On the basis of this experiment, approximately how many fish does the lake have?