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AP EAMCET201725 Apr 2017Evening ShiftMathematicsProbabilityActual

For a random variable X if P(X=k)= (k+1) a 3^k for k=0,1,2, then a=

Options

  1. A2 3
  2. B4 9
  3. C8 27
  4. D16 81

Correct answer

B. 4 9

Step-by-step solution

No solution. Refer to answer key.

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