Mathematics, 18.03.2021 01:30, amastriano6192

A total of 4 buses carrying 152 students from the same school arrive at a football stadium. The buses carry, respectively, 40, 33, 50, and 29 (remaining) students. One of the students 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 this bus. What is E[X Y]

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A total of 4 buses carrying 152 students from the same school arrive at a football stadium. The buse...