2 years ago

Need help

Mathematics

1 answer:

Salsk061 [2.6K]2 years ago

4 0

Answer:

it is A bacause the fractions for that one are correct

Step-by-step explanation:

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In a capture-recapture study, 97 grizzly bears were tagged and released back into the wild. A month later, 200 bears were captur

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Answer:

539

Step-by-step explanation:

Let the total population of grizzly bears=x

In the first capture, 97 were tagged.

Therefore, ratio of the total population to the tagged=x:97

A month later, when 200 bears were captured, 36 were tagged.

Ratio of the sample to the tagged=200:36

Since a sample is representative of the population, the ratios are the same. We therefore have:

x:97=200:36

$\dfrac{x}{97} =\dfrac{200}{36}\\ $Cross multiply\\36x=200 X 97\\x=200 X 97 \div 36\\x=538.9 \approx 539$

There are about 539 grizzly bears in the population

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