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If 55% of the people at a certain conference are doctors, 49% are women, and 29% are female doctors, what is the probability that a person selected at random at this conference is a doctor or woman (or
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If 55% of the people at a certain conference are doctors, 49% are women, and 29% are female doctors, what is the probability that a person selected at random at this conference is a doctor or woman (or both)?

User Rab Ross
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doctors = 55\% \\ woman = 49\% \\ both = 29\%


p(a) =0.55 + 0.49 - 0.29 \\ p(a) = 0.75

User Joe Corkery
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