Mathematics, 29.02.2020 06:09 Kekkdkskdkdk
10 people enter an elevator on the 1st floor of a 20 floor building. Suppose each person independently randomly picks a floor to get off on (from floors 2 through 20). Let X be the number of stops that the elevator makes (in other words, the number of distinct floors which are chosen). Find IE [X]. Find Var [X].
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10 people enter an elevator on the 1st floor of a 20 floor building. Suppose each person independent...
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