1. In a certain country, the probability that a baby that is born is a boy is 0.52 and the probably that a baby that is born is a girl is 0.48. A family has two children. If X is the number of girls born to a family, find the probability that the family has 0, 1, or 2 girls.
(a) Draw a tree diagram showing the possibilities for each outcome.
(b) Create the binomial distribution table for P(X).
Show all your work.

Question

1.	In a certain country, the probability that a baby that is born is a boy is 0.52 and the probably that a baby that is born is a girl is 0.48. A family has two children. If X is the number of girls born to a family, find the probability that the family has 0, 1, or 2 girls. 
(a)  Draw a tree diagram showing the possibilities for each outcome.
(b)  Create the binomial distribution table for P(X). 
Show all your work.

mathmale · Answer

Suppose that the firstborn child is a girl.  What are the possibilities for the gender of the next child?

Write out these outcomes:  GB, GG  (where G=girl and B=boy).

Suppose that the firstborn is a boy.  What are the gender possibilities for the next child?

Write out these outcomes.

carolynalee · Answer

So that would be BG, BB? @mathmale I'm extremely confused on this question.