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题目内容双击单词支持查询和收藏哦～
The average (arithmetic mean) weight of the packages in a certain shipment of 30 packages is 6.0 pounds. If 10 additional packages are added to the shipment, the average weight of the packages in the 40-package shipment will be between 0.5 pound and 1.2 pounds less than the average weight of the packages in the original shipment of 30 packages. Which of the following values could be the average weight, in pounds, of the 10 additional packages?
Indicate all such values.
Indicate all such values.
C,D,E显示答案
· 相关考点
5.2.1 平均值 3.5.6 不等式应用题
5.2.1 平均值
3.5.6 不等式应用题
以上解析由 考满分老师提供。
