Math Problem Statement
为调查呼吸阻塞症在中国发病率,发了5000份问卷。由于呼吸阻塞症与嗜睡症有密切关系,问 卷都是关于是否有嗜睡倾向的。后来,问卷只回收了约1000份,对回答了问卷的人进行了检测,发 现呼吸阻塞症患病率为12%。对此比率数值是否准确的判断应为:
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Sampling
Statistical Inference
Formulas
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Theorems
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Suitable Grade Level
Advanced High School
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