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Assume that each born child is equally likely to be a girl. If a family has two children, what is the

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Assume that each born child is equally likely to be a girl. If a family has two children, what is the conditional probability that both are girls given that (i) the youngest is a girl. (ii) at least one is girl ? Select the correct answer from above options

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E : Both are girls {GG, BB, GB, BG} F: Youngest is a girl G: At least one is girl

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