SOLUTION: Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one bo

Algebra ->  Statistics  -> Binomial-probability -> SOLUTION: Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one bo      Log On


   



Question 1057950: Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy.
1, 4/5, 13/16, 1/32, 31/32
Can someone please explain?
Thank you

Answer by solve_for_x(190) About Me  (Show Source):
You can put this solution on YOUR website!
The probability of having five GIRLS is (1/2)^5 = 1/32.

The probability of having one or more boys is the complement
of having all girls.

P(one or more boys) = 1 - 1/32 = 31/32