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OpenStudy (anonymous):
the mathematics department of a college has 6 male professors, 6 female professors, 13 male teaching assistants, and 9 female teaching assistants. If a person is selected at random what is the probablity that the selected person is professor or male?
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OpenStudy (anonymous):
Since it is looking for professors or males you will take everything except the female TA's (6+6+13)/total
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