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    Permutations in Probability

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    There are 10 workers and 2 administrators in a company meeting room. Two people will be selected at random without replacement. The chance that the second person is a worker is:

    a. none of these

    b. 15/66

    c. 5/6

    d. 5/33

    e. 10/11

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    Solution Preview

    Here is my explanation:

    The total combinations: 12P2 = 12 * 11 = ...

    Solution Summary

    The expert examines permutations in probability.