A university has 24000 undergraduate and 6500 graduate students. A survey of student opinion concerning health care benefits for
domestic partners of students selects 2400 of the 24000 undergraduate students at random and then separately selects 650 of the 6500 graduate students at random. The 3100 students chosen make up the sample. (a) What is the probability that any of the 24000 undergraduates is in your random sample of 2400 undergraduates selected?(b) What is the probability that any of the 6500 graduate students is in your random sample of 650 graduate students selected?
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Formula for the perimeter of a rectangle: