(来学网)若某资料服从正态分布,则理论上在(μ-σ,μ+1.96σ)范围内的变量值个数占全部例数的
  • A.
    (来学网)75.36%
  • B.
    (来学网)81.64%
  • C.
    (来学网)90.25%
  • D.
    (来学网)92.60%
  • E.
    (来学网)95.52%