A university has 31,230 students. In a random sample of 255 students, 17 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 31,230 students. In a random sample of 255 students, 17 speak three or more languag...
Physics, 02.09.2019 22:20