(来学网)横轴上,正态曲线下从μ-2.58σ到μ的面积为
  • A.
    (来学网)99%
  • B.
    (来学网)45%
  • C.
    (来学网)99.50%
  • D.
    (来学网)47.50%
  • E.
    (来学网)49.50%
正确答案:
E