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MHT CET20227 Aug 2022Evening ShiftMathematicsProbabilityActual

A family with three children is chose at random. The probability that the oldest and youngest children are of the same gender is

Options

  1. A3 8
  2. B1 2
  3. C1 8
  4. D2 8

Correct answer

B. 1 2

Step-by-step solution

S = BBB , BBG , BGB , BGG , GBB , GBG , GGB , GGG E = BBB , BGB , GBG , GGG P( E )= n( E ) n( ~S ) = 4 8 = 1 2

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