SOLUTION: determine the probability of having 2 girls and 2 boys in a 4-child family.

Algebra ->  Probability-and-statistics -> SOLUTION: determine the probability of having 2 girls and 2 boys in a 4-child family.       Log On


   



Question 448765: determine the probability of having 2 girls and 2 boys in a 4-child family.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
determine the probability of having 2 girls and 2 boys in a 4-child family.
----
Binomial with n = 4 and p(girl) = 1/2
----
P(x=2) = 4C2*(1/2)^4 = 6/16 = 3/8
===================================
Cheers,
Stan H.
============