Re: 請問一題CFA lv1的問題~ - 金融分析師

By Ula
at 2008-11-18T16:46
at 2008-11-18T16:46
Table of Contents
※ 引述《eddit (愛迪特)》之銘言:
: 一點淺見...
: 根據題目知道了在門檻為2%下的SFRatio = 1.3,題目又剛好想知道shortfall risk
: 在2%下為多少,也就是 P(Rp - 2%)的機率,所以根據常態分配在Z小於等於-1.3時的
: 機率即等於0.0968。
2%的部份我懂了
那我想請問一下這裡的計算
給定SFRatio=1.3,為什麼知道即為P(Z<-1.3)呢?
還是說給定SFRatop=X,其機率就是P(Z<-X)?
因為studynote裡只有提到SFRatio的定義公式,並未提到機率查表的計算...@@a
感謝
--
Choose life. Choose a job. Choose a career. Choose a family.
Choose a fucking big television.
Choose washing machines, cars, compact disc player and electrical tin openers.
Choose good health, low cholesterol and dental insurance.
Choose fixed-interest mortgage payments. Choose a starter home.
--
: 一點淺見...
: 根據題目知道了在門檻為2%下的SFRatio = 1.3,題目又剛好想知道shortfall risk
: 在2%下為多少,也就是 P(Rp - 2%)的機率,所以根據常態分配在Z小於等於-1.3時的
: 機率即等於0.0968。
2%的部份我懂了
那我想請問一下這裡的計算
給定SFRatio=1.3,為什麼知道即為P(Z<-1.3)呢?
還是說給定SFRatop=X,其機率就是P(Z<-X)?
因為studynote裡只有提到SFRatio的定義公式,並未提到機率查表的計算...@@a
感謝
--
Choose life. Choose a job. Choose a career. Choose a family.
Choose a fucking big television.
Choose washing machines, cars, compact disc player and electrical tin openers.
Choose good health, low cholesterol and dental insurance.
Choose fixed-interest mortgage payments. Choose a starter home.
--
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