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KCET2015MathematicsIndefinite Integration

The probability distribution of ( x ) is array |l|l|l|l|l| x & 0 & 1 & 2 & 3 P ( x ) & 0.2 & k & k & 2 k array find the value of ( k )

Options

  1. A( 0.2 )
  2. B( 0.3 )
  3. C( 0.4 )
  4. D( 0.1 )

Correct answer

A. ( 0.2 )

Step-by-step solution

We, know that, the sum of the probabilities is equal to ( 1 ). So, [ array l 0.2+k+k+2 k=1 0.2+4 k=1 4 k=0.8 k=0.2 array ]

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