A group of scientists is trying to estimate the population size of an ant colony. They decide to use a capture-mark-recapture sampling method. They initially capture 5813 ants; they then mark these ants and release them back into the colony. After a 24-hour period, they perform a second capture. This time, they capture 2775 ants; of which only 15 are marked. What is the estimated population size of the entire ant colony?
Location:
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Solution: Looking up Mark and Recapture, we see that its a proportion. 5813/population = 15/2775. Population is 1075405, or 1075-405 , locker 1075, combo 4-0-5.