Question: this is the problem (15 points) A random sample of 250 undergraduate students from a large university was found to contain 58 freshmen. 59 sophomores.

this is the problem

(15 points) A random sample of 250 undergraduate students from a large university was found to contain 58 freshmen. 59 sophomores. 60 juniors, and 73 seniors. (a) What proportion of undergraduate students are freshmen? (b) What is the risk of being a sophomore

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