问题已解决
請問標準差率不是等于標準差除以期望值,為啥在題里面是期望值率除以標準差,第七小題
FAILED



你好,同學(xué)
標準離差率=標準差/期望值
甲,0.1/10%
乙,0.12/12%
2021 07/29 21:00

84785017 

2021 07/29 21:07
那這個是答案寫錯了嗎?
FAILED

陳詩晗老師 

2021 07/29 21:17
你這個答案給錯了吧,他給反了。

84785017 

2021 07/29 21:20
好的,謝謝老師

陳詩晗老師 

2021 07/29 21:21
不客氣,祝你學(xué)習(xí)愉快。
