15-06-2018
Mathematics

contestada

In a hospital ward, there are 10 nurses and 6 doctors. 4 of the nurses and 3 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?

A) 3/16
B) 6/16
C) 12/16
D) 9/16

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Аноним Аноним

15-06-2018

sample space is (3FD , 3MD, 4MN, 6FN)

where F=female M= male N=Nurse D=doctor)

so P(doctor or female ) = (3+3+6) / 16 = 12/16 answer

Its C

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