未學過，試以常識推之: 設萬人以增精度，即約150人呈陽性，含約50真，100偽，故某人為真陽概率約33%。

來源: 中間小謝於 2023-11-12 18:43:29 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.