Question
In: Statistics and Probability
A married couple has 3 children. What is the probability thatthey have 2 boys and...
A married couple has 3 children. What is the probability that they have 2 boys and one girl? Note: you can assume that for each birth, p(girl) = 0.5, p(boy) = 0.5.
Solutions
Expert Solution
Given that a married couple has 3 children.
and P(Girl) = P(Boy) = 0.5
It is clearly a case of binomial distribution where n = 3
Let X be the number of boys.
Now,
orchestra answered 2 years agoRelated Solutions
Boys and Girls: Suppose a couple plans to have two children and the probability of having...
Boys and Girls: Suppose a couple plans to have
two children and the probability of having a girl is 0.50.
(a) What is the sample space for the gender outcomes?
{bb, bg, gg}
{b,g}
{bb, bg, gb, gg}
{bb, gg}
(b) What is the probability that the couple has one boy and one
girl?
1
3
1
4
1
2
3
4
(c) What is the probability that the couple will have at least one
girl?
1
4
1...
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