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2024年8月B卷 · 第 2 题

2024年8月B卷 · 原库模块 1 · Q2 原库参考解析

A company studied a random sample of 70 lawns in a small town. The company found that 10 of these lawns contain acidic soil. If there are 910 lawns in the town, which of the following is the best estimate of the number of lawns that contain acidic soil?
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