另外, 我进　soa 官网，examination那里 https://www.soa.org/member/CustomControls/Masterpage/#

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有人和我一样的么！！！！

按比例来的。稳了，9、10分差不多了。不需要你积分的……好像有分布表我记得

还有二元正态分布那个条件方差的公式要背不。。。好坑。。ASM Practice 3 的第14题。。。

必然不需要

我问了写书的作者。。。
他说。。
This is a very easy formula..You should memorize it