Mathematics, 18.11.2019 18:31 deeboss177
Abuilding has n+1 floors: a ground floor g and floors1,2,…,n . one morning, m people enter the elevator on the ground floor. each person gets out on one of the n floors above the ground floor, selected uniformly at random, independent of all other people. the elevator doesn't stop at any other floors. let x be the number of floors at which the elevator stops. find e(x) and var(x).
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Abuilding has n+1 floors: a ground floor g and floors1,2,…,n . one morning, m people enter the elev...
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