Mathematics, 24.03.2020 22:27 ConceitedD77

15 points) A random sample of 250 undergraduate students from a large university was found to contain 65 freshmen, 66 sophomores, 61 juniors, and 58 seniors. (a) What proportion of undergraduate students are freshmen? (b) What is the risk of being a sophomore?

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15 points) A random sample of 250 undergraduate students from a large university was found to contai...