Q. 14

# In a medical examination of 40 students of a class, the following blood, groups are recorded:From this class, a student is chosen at random, What is the probability that the chosen student has blood group B?A. B. C. D.

Total number students= 40

Number of students with blood group ‘A’ = 11

Number of students with blood group ‘B’ = 15

Number of students with blood group ‘AB’ = 9

Number of students with blood group ‘O’ = 5

Probability P() =

Probability of selecting a student with blood group ‘B’

P(B) = = =

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