Re: [討論] 新生兒性別比失衡對求偶痛苦指數影響多大
看板Boy-Girl作者n9n9n9n9n91 (n9n9n9n9n9n9n9n9n9n9n91)時間6月前 (2023/10/21 17:09)推噓15(16推 1噓 53→)留言70則, 21人參與討論串4/10 (看更多)
有人說出生性別比例失衡是因為有人一定要生到男孩才停止
如果是這樣那麼還是會出現自然的性別比 也就是105:100
這是可以用數學證明的 這叫做幾何分布
https://en.wikipedia.org/wiki/Geometric_distribution
也就是說如果大家都是要生到男生才停止 那麼最後的性別比還是105:100
所以台灣會出現這不自然的性別比就是因為墮女嬰 或是做試管嬰兒故意植入男嬰
這是一個經典機率論的習題
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