质量工程师中级模拟题(下午题)_第20页

      a:[3.54,3.96]  b:[35.4,39.69]     c:[3.54,39.69]     d:[35.41,36.96]
（六）对批量为2000的某产品，采用AQL=1.01%, 检验水平为II的一次正常检验，最近持续15批的检验记录如下表：
  (LR=9)
批号        抽 检 方 案        检 验 结 果
        N        n        Ac        Re        不合格品数        批合格与否        结论
21        2000        125        3        4        1        合格        接收
22                                        0                
23                                        2                
24                                        1                
25                                        0