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Mathematics 8 Online
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

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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