Mathematics, 20.09.2019 14:20, emilyharper

Ellen 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?
0.25
0.5
0.75
1.00
i know the answer is .25 but how do you get that answer?

Answers: 2

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Ellen plans to have two children but doesn't know if they are boy-boy, girl-girl, or boy-girl. what...