Elevator paradox

:This article refers to the elevator paradox in terms of the transport device. For the elevator paradox in water, see elevator paradox (water).

The real-world case

In a real building, there are complicating factors such as the tendency of elevators to be frequently required on the ground or first floor, and to return there when idle. These factors tend to shift the frequency of observed arrivals, but do not eliminate the paradox entirely. In particular, a user very near the top floor will perceive the paradox even more strongly, as elevators are infrequently required, or already present, above his floor.

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