SOLUTION: A couple plan to have exactly three children.
(a) Construct a tree diagram and list the sample space.
(b) Find the probability that the family has at least two girls
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Question 180759This question is from textbook
: A couple plan to have exactly three children.
(a) Construct a tree diagram and list the sample space.
(b) Find the probability that the family has at least two girls
This question is from textbook
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A couple plan to have exactly three children.
(a) Construct a tree diagram and list the sample space.
1st column(root) has boy/girl
2nd column(branch) has boy/girl; boy/girl
3rd column(2nd branch) has boy/girl; boy/girl; boy/girl; boy/girl
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(b) Find the probability that the family has at least two girls
bgg, bgb, gbb, ggg
Probability = 4/8 = 1/2
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Cheers,
Stan H.
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