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Probability of four sons to a couple is [explain in detail]: (a)1/4 (b)1/8 (c)1/16 (d)1/32
Asked by Balbir | 30 Dec, 2019, 10:22: PM
answered-by-expert Expert Answer
  • Whenever a child is born, there is a 50% chance for the child to be either a boy or a girl.
  • Thus, there is a probability of 0.5 or ½ for a son to be born.
  • Because the chance of having a certain sex of child is ½ and they are all independent of each other, the probability is simply (½)4 or (½)×(½)×(½)×(½) which evaluates to 1/16.
  • Thus, the probability of four sons to be born to a couple is 1/16.
  • The correct answer is option c.
 
Answered by Sheetal Kolte | 31 Dec, 2019, 11:43: AM

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