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?

Question

anonymous · Answer

I will give free medal

anonymous · Answer

mathmate

nnesha · Answer

@mathmate  <-- that's how you should tag

ddcamp · Answer

If you have two events, the probability of A or B happening is the probability of A PLUS the probability of B.

So, in this case, it would be the probability of the person being female plus the probability of them being a doctor.

jim_thompson5910 · Answer

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jim_thompson5910 · Answer

"10 nurses"

"4 of the nurses...are male"

so we have 4 male nurses and 6 female nurses

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