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    Probability

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    An elevator has 4 passengers and 8 floors. Find the probability that no 2 passengers get off on the same floor considering that it is equally likely that a person will get off at any floor.

    © BrainMass Inc. brainmass.com February 24, 2021, 2:07 pm ad1c9bdddf
    https://brainmass.com/math/probability/3300

    Solution Preview

    From the condition, we know that on each floor at most one passenger gets off. That is to choose 4 positions out of a total of 8. We have 8!/(4!4!)= 70 different choices.
    On the other hand, let's compute all the possibilities.
    We have 8 floors, each floor can have at ...

    Solution Summary

    This shows how to complete a probability question for an elevator situation.

    $2.19

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