SOLUTION: Biologists collected a sample of 600 fish form Lake Marie on May 1st and tagged each of them. When they returned on June 1st, a new sample of 800 fish was collected and 10 of these

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Question 110988: Biologists collected a sample of 600 fish form Lake Marie on May 1st and tagged each of them. When they returned on June 1st, a new sample of 800 fish was collected and 10 of these had been previosuly tagged. Use this experiment to approximate fish popultion of Lake Linda.
Answer by stanbon(75887) About Me  (Show Source):
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Biologists collected a sample of 600 fish form Lake Marie on May 1st and tagged each of them. When they returned on June 1st, a new sample of 800 fish was collected and 10 of these had been previosuly tagged. Use this experiment to approximate fish population of Lake Linda.
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Let Real population be "x" fish.
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Proportion:
Real pop/sample = tagged pop/tagged sample
x/600 = 800/10
x = 600*800/10
x = 48,000 fish
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Cheers,
Stan H.