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Let E 1 , E 2 , E 3 be three mutually exclusive events such that P(E 1 ) = 6 p 3 2 + , P(E 2 ) = 8 p – 2 and P(E 3 ) = 2 p – 1 . If the maximum and minimum values of p are p 1 and p 2 , then (p 1 + p 2 ) is equal to :

1. 3 2
2. 3 5
3. 4 5
4. 1

Correct answer: 3 5

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