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AP EAMCET2015MathematicsProbability

If 1+3 P 3 , 1-2 P 2 are probabilities of two mutually exclusive events, then P lies in the interval.

Options

  1. A[- 1 3 , 1 2 ]
  2. B( -1 2 , 1 2 )
  3. C[- 1 3 , 2 3 ]
  4. D( -1 3 , 2 3 )

Correct answer

A. [- 1 3 , 1 2 ]

Step-by-step solution

Given, aligned & 0 1+3 P 3 1 and 0 1-2 P 3 1 & 0 1+3 P 3 and 0 1-2 P 2 & -1 3 P 2 and -1 -2 P 1 & - 1 3 P 2 3 and - 1 2 P 1 2 & P [- 1 3 , 1 2 ] aligned

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