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15 wolves were captured in Yellowstone Park last summer, marked with ear tags, and released. This summer there are

a total of 100 wolves in the park including the 15 marked wolves. Suppose that a wolf is captured at random from the 100 wolves each day. The researcher records whether the wolf has an ear tag and then releases the wolf. The probability that it takes exactly 10 days to record two captures of a wolf with an ear tag is...

The answer is (19) 0.1520.858 , but I don't know how to get this answer. I need a detailed explanation. Thank you

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