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羽海野千花 · 2017年04月29日

问一道题:NO.PZ2015120604000108 [ CFA I ]

问题如下图:

    

选项:

A.

B.

C.

这题的答案是怎么算出来的?


1 个答案

源_品职助教 · 2017年04月30日

SFR=1.3可得,那么Z(X>1.3)=1-Z(X<1.3)

Z分布表可得Z(X<=2)= 0.9032.所以1- Z(X<1.3) = 9.68%.A

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