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Let A(1), A(2), A(3) be 3 evets related...

Let `A_(1), A_(2), A_(3) ` be 3 evets related to a random experiment Under what conditions will be exhaustive and mutually exclusive?

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The correct Answer is:
`P(A_(1)cup A_(2) cup A_(3)) = 1 `and
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A, B and C are three mutually exclusive and exhaustive events associated with a random experiment. Find P(A) given that : P(B) = 3/2 P(A) and P(C) = 1/2 P(B) .

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