← 抽样・推断与误差范围 · 题库进阶

ONE QUESTION, ONE STEP

ZX-45888E8982

24年10月北美C卷练习 · 第 13 题

24年10月北美C卷练习 · 原库模块 1 · Q13 原库参考解析

A machine fills bags with approximately 11 ounces of sugar. To test the accuracy of the filling process, 132 bags of sugar were selected at random and weighed. Based on the sample, it is estimated that the average weight of all bags of sugar filled by the machine in an 8-hour period is 10.83 ounces, with an associated margin of error of 0.2 ounce. Which of the following is the best interpretation of this estimate?
选择答案