Mathematics, 01.05.2021 02:30 PrincessIndia
Four buses carrying 150 football fans from the same school arrive at a football stadium. The buses carry, respectively, 20, 45, 35, and 50 students. One of the fans is randomly selected. Let X denote the number of fans that were on the bus carrying the randomly selected person. One of the 4 bus drivers is also randomly selected. Let Y denote the fans of students on his bus. Compute E(X) and Var(X).
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Four buses carrying 150 football fans from the same school arrive at a football stadium. The buses c...
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