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For the 3 events A, B and C, P (atleast ...

For the 3 events `A, B and C, P` (atleast one occurring)` = 3/4, P`(atleast two occurring) `= 1/2 and P`(exactly two occurring)`=2/5.` Which of the following is/are correct?

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For three events A, B and C, P (Exactly one of A or B occurs) = P (Exactly one of B or C occurs) = P (Exactly one of C or A occurs) = (1)/(4) and P(All the three events occurs simultaneously = (1)/(16) . Then the probability that at least one of the events occurs, is :

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For three events A,B and C,P (Exactly one of A or B occurs) =P (Exactly one of B or C occurs) =P( Exactly one of C or A occurs) occurs) P (All the three events occur simultaneously) =(1)/(6). Then the probability that at least one of the events occurs,is : (7)/(64) (2) (3)/(16) (3) (7)/(32) (4) (7)/(16)

For the three events A, B and C, P(exactly one of the events A or B occurs) = P(exactly one of the events B or C occurs) =P(exactly one of the events C or A occurs)= p and P(all the three events occur simultaneously) = p^2, where 0ltplt1/2. Then, find the probability of occurrence of at least one of the events A, B and C.

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