Q. 165.0( 3 Votes )

A die is rolled. If the outcome is an odd number, what is the probability that it is prime?

Answer :

Total outcomes when a die is rolled = {1,2,3,4,5,6} = 6


A = outcome is odd number = {1,3,5} = 3


Hence P(A) =


B= Outcome is prime number = { 2,3,5) = 3


Hence P(B) =


(A B) = outcome is odd number and also prime number = {3,5} =2


Hence P(A B) =


We require, =


(answer)


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