Question: Select a first-year college student at random and ask what his or her academic rank was in high school. Here are the probabilities, based on

Select a first-year college student at random and ask what his

Select a first-year college student at random and ask what his or her academic rank was in high school. Here are the probabilities, based on proportions from a large sample survey of first-year students: (18p) (a) Choose two first-year college students at random. Why is it reasonable to assume that their high school ranks are independent? (b)What is the probability that both were in the top 20% of their high school classes? (c)What is the probability that the first was in the top 20% and the second was in the lowest 20%

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