Wildlife biologists catch, tag, and then release 120 deer back into a wildlife refuge. two weeks later they observe a sample of 150 deer, 25 which are tagged. assuming the ratio of tagged deer in the sample holds for all deer in the refuge, approximately how many deer are in the refuge?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next