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need help to answer The blood groups of 200 people is distributed as follows: 50 have type A blood, 65 have B blood type, 70

need help to answer

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The blood groups of 200 people is distributed as follows: 50 have type A blood, 65 have B blood type, 70 have O blood type and 15 have type AB blood. If two people from this group is selected at random, what is the probability that they will have B or O blood types? Write your answer as percentage. C O

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