最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
A set of data are normally distributed with a mean of 500 and a standard deviation of 100. If there are 10,200 data between 500 and 600 inclusive, then how many figures in the data are less than 400？
4800 显示答案
以上解析由 考满分老师提供。
