SOLUTION: Assume the probability is 1/2 that a child born is a girl. If a family has three children, what is the probability that they have (a) exactly one girl? (b) at most two boys?
Algebra.Com
Question 389182: Assume the probability is 1/2 that a child born is a girl. If a family has three children, what is the probability that they have (a) exactly one girl? (b) at most two boys?
Answer by grace77(4) (Show Source): You can put this solution on YOUR website!
since the chance is 1/2. it is also 50%
if a family has 3 children... half of 3 is 1.5... round down, and that equals 1.
1/3 is about 33% so that the answer to a.
RELATED QUESTIONS
assume the probability is 1/2 that a child born is a girl if a family has three children. (answered by Fombitz)
Assume the probability is 1/2 that a child is born a girl. If a family has three... (answered by Fombitz)
Assume the probability is 1/2 that a child born at any time is a girl and births are... (answered by ikleyn)
Assume that each child that is born is equally likely to be a boy or girl . If a family... (answered by ikleyn)
What is the probability in a family of four children that the first child born is a boy... (answered by stanbon)
A family tree has three children. What is the probability that the family has 2 boys and... (answered by ikleyn)
A family has three children. Every child was born to be a boy or girl with 50% chance.... (answered by jim_thompson5910,solver91311)
Assume that each child who is born is equally likely to be a boy or a girl. If a family... (answered by ikleyn)
A family has 4 children. Find the probability that at least one child is a girl.
(answered by stanbon)