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ZX-42E4687C12Inference from sample statistics and margin of error · 第 4 题
Inference from sample statistics and margin of error · 原库模块 1 · Q4 原库参考解析
In State X, Mr. Camp’s eighth-grade class consisting of 26 students was surveyed and 34.6 percent of the students reported that they had at least two siblings. The average eighth‑grade class size in the state is 26. If the students in Mr. Camp’s class are representative of students in the state’s eighth-grade classes and there are 1,800 eighth-grade classes in the state, which of the following best estimates the number of eighth‑grade students in the state who have fewer than two siblings?
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