New York University STAT-UB STAT-UB 511 Four buses carrying 151 high school students arrive to Montreal. The buses carry, respectively, 31, 48, 29, and 43 students. One of the students is…

New York University STAT-UB STAT-UB 511 Four buses carrying 151 high school students arrive to Montreal. The buses carry, respectively, 31, 48, 29, and 43 students. One of the students is…

Four buses carrying 151 high school students arrive to Montreal. The

buses carry, respectively, 31, 48, 29, and 43 students. One of the students is randomly selected. Let ๐‘‹X denote the number of students that were on the bus carrying this randomly selected student. One of the 44 bus drivers is also randomly selected. Let ๐‘ŒY denote the number of students on his bus. Compute the expectations of ๐‘‹X and ๐‘ŒY:
๐ธ(๐‘‹)=E(X)=
๐ธ(๐‘Œ)=E(Y)=

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