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KCET2017MathematicsStraight Lines

The probability distribution of X is array |c|c|c|c|c| X & 0 & 1 & 2 & 3 P ( X ) & 0.3 & k & 2 k & 2 k array

Options

  1. A( 0.14 )
  2. B( 0.3 )
  3. C( 0.7 )
  4. D( 11 )

Correct answer

A. ( 0.14 )

Step-by-step solution

We know ( P(X)=1 ) So, ( P(X)=0.3+k+2 k+2 k=1 ) ( 5 k=0.7 k=0.14 )

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