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一堆盒子的average weight是4千克,the standard deviation为0.8,其中某一个盒子的重量比average weight少了1.
一堆盒子的average weight是4千克,the standard deviation为0.8,其中某一个盒子的重量比average weight少了1.
游客
2024-01-12
30
管理
问题
一堆盒子的average weight是4千克,the standard deviation为0.8,其中某一个盒子的重量比average weight少了1.5个standard deviation,那么这个盒子的重量是多少?
选项
答案
这道题目是一个应用题。这个盒子的重量为:
average-1.5×standard deviation=4-1.5×0.8=2.8。
解析
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