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To measure the population of lake trout in a 250-hectare lake, 400 individual trout were netted and marked with a fin clip, then returned to the lake. The next week, the lake was netted again, and out of the 200 lake trout that were caught, 50 had fin clips. Using the mark-recapture estimate, the lake trout population size could be closest to which of the following?4002001,60080,000

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Answer:

Estimated size is 1600

Explanation:

Given data:

Size of lake is 250 hectares

Total number of trout who netted is 400

Total number of trout in next week is 200

Total number of trout having fin clip 50

estimation population size is estimated by mark rupture as follow

Estimated population size [tex]= \frac{(marked\ initally \times total\ recaptured)}{mark\ recaptured}[/tex]

Estimated size[tex]= \frac{400\times 200)}{50}[/tex]

Estimated size is 1600

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