jessiexo1 jessiexo1
  • 18-05-2017
  • Mathematics
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How do I solve this?

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mreijepatmat
mreijepatmat mreijepatmat
  • 19-05-2017
5 Girls + 3 Boys =8 (sample size)

Probability of choosing 1 boy P(1 B) = 3/8

Probability of NOT CHOOSING ANY BOY = 1-3/8 =5/8

Now apply the binomial probability to choose 3 Boys:

8C3(3/8)³(5/8)⁵ ==>P(All boys) = 0.28
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