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Five people get on an elevator that stops at five floors. Assuming that each has an equal probability of going to any one floor, find the probability that they all get off at different floors.
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Five people get on an elevator that stops at five floors. Assuming that each has an equal probability of going to any one floor, find the probability that they all get off at different floors.

User Hero
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The answer is 120 because 5 factoral or 5! is the number of combinations that they will get off at different floors.
User Paholg
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