SOLUTION: a couple plans to have 2 children
(a) determine the number of sample points in the sample space of the possible arrangements
(b) construct a tree diagram and list the sample
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Question 1187536: a couple plans to have 2 children
(a) determine the number of sample points in the sample space of the possible arrangements
(b) construct a tree diagram and list the sample soace,
Assuming that boys and girls are equally likely, dtermine the probability that the couple has (c) two girls (d)at least one girl (e) girl and then a boy
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
sample space: BB,BG, GB,GG.
Tree diagram G----B and G
--------------B--- G and B
two girls:25%
at least one girl: 1-P(2 boys)=75%
girl then boy: 25%
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