The probability that someone in the human population has, Ask an Expert

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The probability that someone in the human population has blood type AB is about p = .08; the probability that someone has blood type O is about p = .25. Knowing that each individual can have one and only one blood type, what is the probability that a person has an AB or O blood type?

A. .33

B. .02

C. 1.00

D. This state of affairs is not possible

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