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Let A, B and C be three mutually exclusi...

Let A, B and C be three mutually exclusive events such that P(A) = `p_(1), P(B) = p_(2) " and " P( C) = p_(3)`. Then,
Let `p_(1), p_(2), " and " p_(3)` are roots of `27x^(3)-27x^(2)+ax-1=0`, then value of a is

A

3

B

6

C

9

D

`1/3`

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The correct Answer is:
C
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