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OpenStudy (anonymous):
Betty plans to have two children but doesn't know if they are boy-boy, girl-girl, or boy-girl. What is the probability that she will have two girls? 0.5 0.75 1.00 0.25
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OpenStudy (superdavesuper):
All possible outcomes are: boy-boy, boy-girl, girl-boy and girl-girl. So the probability of girl-girl should be....
OpenStudy (anonymous):
0.25 @superdavesuper
OpenStudy (superdavesuper):
:) that is correct!
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