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You want to estimate how many fish there are in a small pond. Lets suppose that you
Chapter 14, Problem 7(choose chapter or problem)
You want to estimate how many fish there are in a small pond. Lets suppose that you first capture n1 = 500 fish, tag them, and throw them back into the pond. After a couple of days you go back to the pond and capture n2 = 120 fish, of which k = 30 are tagged. Estimate the number of fish in the pond.
Questions & Answers
QUESTION:
You want to estimate how many fish there are in a small pond. Lets suppose that you first capture n1 = 500 fish, tag them, and throw them back into the pond. After a couple of days you go back to the pond and capture n2 = 120 fish, of which k = 30 are tagged. Estimate the number of fish in the pond.
ANSWER:Step 1 of 2
To estimate the number of fish in the pond. Since in this problem number of sample relies on three variable we will use two sample method or capture-recapture method.
By definition the method is
where and are first and second sample size