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ZX-55B4A5E55E2023年12月C卷 · 第 20 题
2023年12月C卷 · 原库模块 1 · Q20 原库参考解析
A town manager selected 2 random samples of residents in the town to estimate the percentage of all residents that planned to vote in favor of a new business in the downtown area. Based on the first sample, he estimated that 75% of the residents in the town planned to vote in favor; with an associated margin of error of 8.5%.Based on the second sample, he estimated that 83% of the residents in the town planned to vote in favor, with an associated margin of error of 6.9%. Assuming the margins of error were calculated the same way, which of the following best explains why the first sample obtained a larger margin of error than the second sample?
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