Mathematics, 10.10.2019 17:30, brittanyfox411
Four buses carrying 153 high school students arrive to montreal. the buses carry, respectively, 38, 44, 25, and 46 students. one of the studetns is randomly selected. let x denote the number of students that were on the bus carrying this randomly selected student. one of the 4 bus drivers is also randomly selected. let y denote the number of students on his bus. compute the expectations and variances of x and y.
Answers: 3
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Four buses carrying 153 high school students arrive to montreal. the buses carry, respectively, 38,...
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