Four buses carrying 148 students from the sameschool
Chapter 4, Problem 4.21(choose chapter or problem)
Four buses carrying 148 students from the sameschool arrive at a football stadium. The busescarry, respectively, 40, 33, 25, and 50 students. Oneof the students is randomly selected. Let X denotethe number of students that were on the bus carryingthe randomly selected student. One of the 4bus drivers is also randomly selected. Let Y denotethe number of students on her bus.(a) Which of E[X] or E[Y] do you think is larger?Why?(b) Compute E[X] and E[Y].
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