问题已解决
需要以下題目的答案及其過程
FAILED
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同學你好,正在解答,請稍等。
2022 12/20 09:25
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2022 12/20 09:34
還沒有答案嗎
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2022 12/20 09:36
因為要寫解題過程,老師正在解答哈,馬上
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2022 12/20 09:43
還沒有嗎……
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2022 12/20 09:44
二十分鐘了……我同學都做完了……
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2022 12/20 09:44
能不能快一點
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2022 12/20 09:45
(1)A產品的預期報酬率=60*0.3+50*0.5+20*0.2=47
B產品的預期報酬率=80*0.3+50*0.5+(-10)*0.2=47
(2)A產品的標準利差=((60-47)^2*0.3+(50-47)^2*0.5+(20-47)^2*0.2)^(1/2)=14.18
B產品的標準離差=((80-47)^2*0.3+(50-47)^2*0.5+(-10-47)^2*0.2)^(1/2)=31.32
(3)A標準離差率=14.18/47=30.17%
B標準離差率=31.32/47=66.64%
抱歉久等,滿意可以給五星嗎?感謝!祝您學習進步!
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