(Answered) In the american population 84 are rh-positiveifnbsp2

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In the American population 84% are Rh-Positive

If 2 people appear at random to give blood, what is the probability that one of them is Rh-Positive and the other is not?

If 7 people appear at random to give blood, what is the probability that at least one of them is Rh-Negative?

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