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    Finding a probability based on a table

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    Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category.
    Male (M) Female (F)
    Job
    Administrative (AD) 110 20

    Salaried staff (SS) 30 70

    Hourly staff (HS) 60 40

    If an employee is selected at random, what is the probability that the employee is male or works as a member of the administration.

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    https://brainmass.com/statistics/probability/probability-based-table-137772

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    Solution. There are 110+30+60=200 males, and there are 110+20=130 members of the administration. However, there are 110 males ...

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