作者brucejune (...)
看板Grad-ProbAsk
标题[理工] 机率问题
时间Sun Apr 5 22:14:31 2009
A judge is 65% sure that a suspect has committed a crime. During the course of
the trial a witness convinces the judge that there is an 85% chance that the
criminal is left-handed.If 23% of the populatin is left-handed and the suspect
is also left-handed,with this new information,
how certain should the judge be of the guilt of the suspect?
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想请教这题机率该如何做
因为连题目都不太清楚在问什麽
麻烦版上的高手帮忙解答
感激不尽!!
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