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?
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Answer:
Step-by-step explanation:
Total people among which Blood groups distributed=200
- A blood group = 50
- B Blood group = 65
- O Blood group = 70
- AB blood group= 15
Find : p(O blood type)=?
p(O)=total O blood type/total people among which Blood groups distributed
= 70/200 => 7/20
= 0.35 => 35% prob that the person has O blood type
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