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 187364This question is from textbook Survey of Mathematics w/ Applications expanded edition
: 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 Survey of Mathematics w/ Applications expanded edition
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: b,g
2nd column: b,g;b,g
3rd column: b,g;b,g;b,g
------------------------
(b) Find the probability that the family has at least two girls
ggb ; gbg ; bgg ; ggg
P(at least 2 girls) 4/8 = 1/2
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Cheers,
Stan H.
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