jessiexo1
jessiexo1
18-05-2017
Mathematics
contestada
How do I solve this?
Respuesta :
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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