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MHT CET20228 Aug 2022Morning ShiftMathematicsProbabilityActual

In a Binomial distribution, n=4 and 2 P(X=3)=3 P(X=2) , then q=

Options

  1. A2 13
  2. B11 13
  3. C9 13
  4. D4 13

Correct answer

D. 4 13

Step-by-step solution

aligned & 2 P(x=3)=3 p(x=2) & 2 ^4 c₃(1-q)^3 q=3 ^4 c₂(1-q)^2 q^2 & 2 4 (1-q)=3 6 q & 4 9 = q 1-q & q= 4 13 aligned

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