Answer :

Total number of Students: 40


Number of Students having blood group O: 14


Number of Students having blood group AB: 6


Probability P() =


1.Let P(O) be probability of selecting a student with Blood group O


P (O) =


P (O) = = 0.35


2.Let P(AB) be probability of selecting a student with Blood group AB


P (AB) =


P (AB) = = 0.15


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