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生产历史:10%缺陷(相当于100件产品中有10个缺陷 = Beta(10,90))。新检查:20件中有3个缺陷。计算后验和后验平均值。
生产历史:10%缺陷(相当于100件产品中有10个缺陷 = Beta(10,90))。新检查:20件中有3个缺陷。计算后验和后验平均值。
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