Question: 5.45 Biologists doing studies in a particular environment often tag and release subjects in order to estimate the size of a population or the prevalence

5.45 Biologists doing studies in a particular environment often tag and release subjects in order to estimate the size of a population or the prevalence of certain features in the population. Ten animals of a certain population thought to be extinct (or near extinction)
are caught, tagged, and released in a certain region.
After a period of time, a random sample of 15 of this type of animal is selected in the region. What is the probability that 5 of those selected are tagged if there are 25 animals of this type in the region?

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