1 Four buses carrying 100 students from the same school

Last updated: 3/23/2023

1 Four buses carrying 100 students from the same school arrive at a football stadium The busse carry respectively 10 20 30 and 40 students One of the 100 students is randomly selected anc let X denote the number of students on the bus carrying the randomly selected student Let Y denote the number of students when one of the 4 buses is randomly selected a Explain without any computation which of E X or E Y you think is larger Why