白同学
回答（1）
Evian, CFA2020-01-02 02:06:53
Evian, CFAA:
Five percent of the normal curve probability is more than 1.96 standard deviations from the mean.
正太分布有5%的面积在均值1.96个标准差以外。
B:
Sixty-eight percent of the area under the normal curve falls between the mean and 1 standard deviation above the mean.
正太分布有68%的面积在均值左右1个标准差以内。
- 评论（1）
- 追问（0）
评论
0/1000
追答
0/1000
+上传图片