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Q.10. The following table shows the blood group of 30 students of a class.

One student of the class is chosen at random. What is the probability that the chosen student has a blood group

(i) A

(ii) AB

Total number of students = 30

(i) Number of students having blood group A = 9

Probability of getting A =9/30 =3/10

and,

(ii) Number of students having blood group AB = 3

Hence, required probability of getting blood group AB,

Hope, you will find this answer helpful.

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