Question

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?

Answer 1

Answer:

Step-by-step explanation:

Cosmicaishwary07Ambitious

Hello freind !!

Number of people having o blood type = 70

Total number of people = 200

We know

P(E) = Events /subject

= 70/200

= 7/20

So probabilty of people having o blood is 7/20

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