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Unformatted text preview: if necessary. (Remember to express your answer as a proportion.) 3. The proportion of the American population that has Onegative blood is p=.02. If 70 people appear at random to give blood, what is the probability that at least 1 of them have Onegative blood (rounded to four decimal places)? (Remember to express your answer as a proportion.) 4. The proportion of the American population that has Onegative blood is p=.16. If 12 people appear at random to give blood, what is the probability that at least 2 of them have Onegative blood (rounded to four decimal places)? (Remember to express your answer as a proportion.)...
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 Spring '08
 ABDUS,S.
 Elise, ABO blood group system

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