當(dāng)前位置:財(cái)稅問(wèn)題 >
中級(jí)職稱(chēng)
問(wèn)題已解決
投資組合收益率的標(biāo)準(zhǔn)差 =[(40%×9.76%)2+(60%×10.36%)2+2×0.56×9.76%×10.36%×40%×60%]?=9% 老師為什么我算出來(lái)不是9%
溫馨提示:如果以上題目與您遇到的情況不符,可直接提問(wèn),隨時(shí)問(wèn)隨時(shí)答
速問(wèn)速答您好,計(jì)算過(guò)程如下
(0.4*0.4*0.0976*0.0976+0.6*0.6*0.1036*0.1036+2*0.56*0.0976*0.1036*0.4*0.6)^0.5
=(0.0015+0.0039+0.0027)^0.5
=(0.0081)^0.5
=9%
2022 06/04 16:05
閱讀 1022