Q. 104.0( 42 Votes )

Events A and B ar

Answer :

Given: P (A) =, P(B) =and P(not A or not B) = 1/4

P (A B) = 1/4


P (A B) = 1/4


1 - P (A B) = 1/4


P (A B) = 1 - 1/4


P (A B) = 3/4 ..(1)


And P(A) . P(B) = ..(2)


From (1) and (2) P (A B) P(A) . P(B)


Therefore, A and B are not independent events.


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