标准正态曲线下,下列哪个u值范围所对应横轴上的面积为98%A.-1.64~1.64B.-1.96~1%C.-2.33~2.33D.-2.58~2.58E.-1.95~+∞
标准正态曲线下,下列哪个u值范围所对应横轴上的面积为98%
A.-1.64~1.64
B.-1.96~1%
C.-2.33~2.33
D.-2.58~2.58
E.-1.95~+∞
相关考题:
横轴上,标准正态曲线下从-1.96到0的面积为:A.95%B.45%C.97.5%D.47.5%