(来学网)假定正常成人血铅含量服从对数正态分布,估计其95%医学参考值范围宜采用()
  • A.
    (来学网)P95
  • B.
    (来学网)X±1.645S
  • C.
    (来学网)X±1.96S
  • D.
    (来学网)X±2.585
  • E.
    (来学网)Ig^-1(Xix+1.645slx)