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MHT CET202124 Sep 2021Morning ShiftMathematicsProbabilityActual

The mean of the numbers obtained on throwing a die having written 1 on three faces, 2 on two faces and 5 on one face is

Options

  1. A5
  2. B8 3
  3. C1
  4. D2

Correct answer

D. 2

Step-by-step solution

Probability of getting 1= 3 6 = 1 2 Probability of getting 2= 2 6 = 1 3 Probability of getting 5= 1 6 Mean = p _ i x _ i =2 array |l|l|l| x _ i & p _ i & p _ i x _ i 1 & 1 / 2 & 1 / 2 2 & 1 / 3 & 2 / 3 5 & 1 / 6 & 5 / 6 2 |l| Total & 2 array

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