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Mathematics 17 Online
OpenStudy (anonymous):

In a hospital ward, there are twelve nurses and four doctors. Three of the nurses and two of the doctors are male. If a person is randomly selected from this group, what is the probability that the person is female or a doctor? 2/16 7/16 9/16 13/16

OpenStudy (anonymous):

13/16

OpenStudy (anonymous):

@tornjeansxo, care to understand why it is so?

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