SOLUTION: A couple plans to have 5 children. Find the probability they will have more than 3 boys. ( Assume girl and boy babies are equally likely.)
Algebra.Com
Question 871129: A couple plans to have 5 children. Find the probability they will have more than 3 boys. ( Assume girl and boy babies are equally likely.)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p(boy) = .5, n = 5
P(x ≥ 3) = 1 - binomcdf(5, .5, 2) = .5
0r
Using
P(x ≥ 3) = P(x=3)+P(x=4)+P(x=5) = .3125 + .15625 + .03125
RELATED QUESTIONS
PLEASE HELP!
Assuming boy and girl babies are equally likely, find the probability... (answered by Alan3354)
a couple plans to have three children until they get a girl but they agree they will not... (answered by stanbon)
A couple plans to have 6 children. Assuming that boys and girls are equally likely, what... (answered by ikleyn)
If a couple plans on haveing 4 children, what is the probability that there will atleast... (answered by stanbon)
A couple plans to have four children assuming the boys and girls are equally likely find... (answered by Boreal,Theo)
If a couple plans to have 7 children, find the probability of them having more than 4... (answered by greenestamps)
If a couple decides to have 8 children, what is the probability they will have 3 boys and (answered by rothauserc)
if a couple plans to have 6 children, what is the probability that they will have at... (answered by Fombitz)
4. A couple plans to have two children. Assume that on any given birth, having a boy and... (answered by stanbon)