我上面讲过了。当然假定这个coin，正面反面的概率是一半一半。

来源: 蒋闻铭于 2024-10-05 06:13:23 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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