Mathematics, 21.04.2020 20:15, goreimani9

A university has 28,470 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of students at the university who speak three or more languages. The expected number of students at the university who speak three or more languages is .

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A university has 28,470 students. In a random sample of 285 students, 19 speak three or more languag...