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Un article trouvé pour ce sujet.
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Predicting the number of fish in a lake |
2018-09-16 |
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April pose la question :
A researcher catches 30 fish in a pond, attaches a marker to their fin and releases them. The next day she places a large net in the water and catches 9 fish. 3 have the marker attached to their fin. Can she predict the number of fish in the pond???
Thank you
Penny Nom lui répond. |
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