Q. 73.8( 4 Votes )

In the sample of

Answer :

Sample Space consists of 50 different people where 1 person can only have 1 blood group.

number of people with “O” blood is 21


---- (1)


Similarly,


Probability of getting Blood “B”, “A”, “AB” respectively is


---- (2)


---- (3)


---- (4)


By (1)


(i) Probability that random person among those people has “O” group = (by (1))


(ii) Probability that random person among those people does not has “B” group = (by (2))


(iii) Probability that random person among those people has “A” group = (by (3))


(iv) Probability that random person among those people does not has “B” group = (by (4))


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