Journal of the Mathematics Council of the Alberta Teachers’ Association
Volume 28 Issue 2, August 1990
31
The Ups and Downs of Elevator Probability
Sandra Pulver
An elevator paradox exists. Whenever I am in a building waiting for the elevator to go up, the elevators are always on their way down. Are the elevators manufactured on the roof and sent down to the basement to be stored? And when I am on an upper floor waiting to go down, the elevators are usually on their way up. Are the elevators being constructed in the basement and carried off the roof by helicopters?
