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MHT CET202120 Sep 2021Evening ShiftMathematicsProbabilityActual

The variance of the following probability distribution is,

Options

  1. A1 8
  2. B5 8
  3. C1 4
  4. D3 8

Correct answer

D. 3 8

Step-by-step solution

aligned & Variance = p _ i x _ i ^2- ( p _ i x _ i )^2 & = 5 8 - ( 1 2 )^2= 5 8 - 1 4 = 3 8 aligned

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