SOLUTION: We need to know how many fish are in a particular lagoon. We capture 72 fish, mark them, and then throw them back into the lagoon. The next day, 50 fish are captured and 13 were ta

Algebra ->  Probability-and-statistics -> SOLUTION: We need to know how many fish are in a particular lagoon. We capture 72 fish, mark them, and then throw them back into the lagoon. The next day, 50 fish are captured and 13 were ta      Log On


   

Question 631173: We need to know how many fish are in a particular lagoon. We capture 72 fish, mark them, and then throw them back into the lagoon. The next day, 50 fish are captured and 13 were tagged from the day before. These fish are then thrown back into the lagoon. Estimate how many fish are in the lagoon.
Found 2 solutions by stanbon, ewatrrr:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
We need to know how many fish are in a particular lagoon. We capture 72 fish, mark them, and then throw them back into the lagoon. The next day, 50 fish are captured and 13 were tagged from the day before. These fish are then thrown back into the lagoon. Estimate how many fish are in the lagoon.
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# of fish/# caught and tagged = captured of those tagged/tagged of those caught
# of fish /72 = 50/13
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# of fish = 72(50/13) = 277
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Cheers,
Stan H.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Mark 72 and throw back in, capture 50, 13 had the tags...

Estimate how many fishhighlight%28x%29 are in the lagoon.

   50%2F13+=+x%2F72    ||  Cross Multiply to solve for x