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).

More than one elevator

Interestingly, if there is more than one elevator in a building, the bias decreases - since there is a greater chance that the intending passenger will arrive at the elevator lobby during the time that at least one elevator is below him; with an infinite number of elevators, the probabilities would be equal. Watching cars pass on an oval racetrack, one perceives little bias if the time between cars is small compared to the time required for a car to return past the observer.

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