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OpenStudy (anonymous):
The mathematics department of a college has 12 male professors, 10 female professors, 11 male teaching assistants, and 6 female teaching assistants. If a person is selected at random from the group, find the probability that the selected person is a teaching assistant or a female.
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OpenStudy (anonymous):
counting for this one
OpenStudy (anonymous):
\(10+12+11+6=39\) that will be your denominator, there are \(10+6=16\) females and another 11 teaching assistants, for a total of \(16+11=27\) favourable to your question
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