Mathematics, 02.04.2021 19:20 shakkahdbwjsjs3068
Four buses carrying 100 students from the same school arrive at a football stadium. The busses carry, respectively, 10, 20, 30, and 40 students. One of the student is randomly selected. Let X denote the number of students who were on the bus carrying the randomly selected student. Let Y denote the number of students on the bus when one of the 4 bus drivers is randomly selected.
(a) Explain (without any computation) which of Var(X) or Var(Y ) you think is larger? Why?
(b) Compute E[X] and E[Y].
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Four buses carrying 100 students from the same school arrive at a football stadium. The busses carry...
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