To estimate the size of the grizzly bear population in a national park, rangers tagged and released 12 grizzly bears into the park. A few months later, 2 out of 21 grizzly bears sighted were tagged. Assuming the population of tagged bears in the population, estimate the number of grizzly bears in the population of this national park.

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AngeI · Answer

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AngeI · Answer

So if 2 out of 21 bears are tagged and we need 12  total tagged bears so multiple both 2 and 21 by 6
Getting 12 tagged bears and making the total number of bears 126