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OpenStudy (gabylovesyou):
Betty plans to have two children but doesn't know if they will be 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 <<<< correct ?
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OpenStudy (gabylovesyou):
@DebbieG
OpenStudy (richley):
The easiest thing to do is to set up a punett square. Here is the punnett square you need.
OpenStudy (richley):
|dw:1461868934853:dw|
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