SOLUTION: If the probability of a boy’s being born is 1/2, and a family plans to have four children, what are the odds against having all boys?

Algebra.Com
Question 1200789: If the probability of a boy’s being born is 1/2, and a family plans to have four children, what are the odds against having all boys?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
If the probability of a boy’s being born is 1/2, and a family plans to have four children, what are the odds against having all boys?
------------
the probability of having 4 boys (or 4 girls) is (1/2)^4 = 1/16
The odds of that are 1:15
The odds against it are 15 to 1.

RELATED QUESTIONS

if the probability of a child being a girl is 1/2, and a family plans to have 4 children, (answered by htmentor)
if the probability of a child being a girl is 1/2, and a family plans to have 4 children, (answered by jim_thompson5910)
Assume the probability of a boy being born is the same as the probability of a girl being (answered by math_helper)
Assume the probability of a boy being born is the same as the probability of a girl being (answered by stanbon)
Assume that the probability is 1/2 that a child born is a boy. What is the probability... (answered by ikleyn)
Assume the probability of a girl being born is the same as the probability of a boy being (answered by robertb)
the probability of a girl being born is 1/2 or .5 A) in a family of 6 children what is... (answered by Fombitz)
the probability of a girl being born is 1/2 or .5 A) in a family of 6 children what is... (answered by stanbon)
In Florida, 40% of the people have blood type b. what is the probability that exactly 5 (answered by stanbon)