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MHT CET202020 Oct 2020Morning ShiftMathematicsProbabilityActual

A die is thrown 100 times. If the success is in getting an even number, then the variance of number of successes is

Options

  1. A1.10
  2. B25
  3. C50
  4. D100

Correct answer

B. 25

Step-by-step solution

Let A = event "Obtainimen an even mumber when a fail tie is therwn p= 3 6 = 1 2 1-1-p- 1 2 Varianco ovor 100 trails -1100-100 1 2 1 2 -25

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