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我有两个孩子,有一个是星期二出生的男孩,问:我有两个男孩的概率是多少?
I have two children, one of whom is a son born on a Tuesday. What is the probability that I have two boys?
youdao
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我有两个孩子,有一个是星期二出生的男孩,问:我有两个男孩的概率是多少?
I have two children, one of whom is a son born on a Tuesday. What is the probability that I have two boys?
youdao