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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 a person from this group is selected at random, what is the probability that this person has O blood type?

2 Answers

3 votes
your answer would be 7/20 but this seems like too simple of an answer so if im incorrect i apologize
User Filippo Mazza
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5.8k points
5 votes
30% is o blood type
hope this helps
User Mark Mitchell
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