题目内容
(请给出正确答案)
[单选题]
若正常成人血铅含量近似对数正态分布,用300名正常成人血铅值确定99%参考值范围,则最好采用的公式是()
A.x±2.585
B.1g-1(XlgX+1.645SlgX)
C.x+2.58Sx
D.1g-1(XlgX+2.58SlgX)
E.x+1.96s
提问人:网友lixin080108
发布时间:2022-01-07
A.x±2.585
B.1g-1(XlgX+1.645SlgX)
C.x+2.58Sx
D.1g-1(XlgX+2.58SlgX)
E.x+1.96s
A. ['['±2.58S
B. 1g-1(1gX+2.58S)
C.+2.585
D. 1g-1(1gX+2.33S)
E.+2.33S
B、+2.33S
C、log(±2.58S)
D、log( +2.33S)
E、log( +1.96S)
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