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题目内容双击单词支持查询和收藏哦~
A scientist measured the length of a certain bone in each of 20,000 males in Country U. The scientist determined that the lengths of this bone could be modeled by a normal distribution with a mean of 2.0 centimeters and a standard deviation of 0.3 centimeter. How many standard deviations above the mean is a bone from this sample if it has a length of 2.5 centimeters?
Give your answer to the nearest 0.1.
Give your answer to the nearest 0.1.
1.7 显示答案
· 相关考点
5.3.1 数据分布的描述
5.3.1 数据分布的描述
以上解析由 考满分老师提供。