正态曲线下、横轴上,从均值到+∞的面积为______
由正态曲线的对称性特点知,曲线与x轴之间的面积为1,
所以从均数到 的面积为整个面积的一半,即50%.
填:0.5.
福莱特认为,随着群体过程而产生的是______和集体的控制。
It was not until she arrived at the classroom she realized she had forgotten her coursebook.
A.and she realized
B.which she realized
C.then she realized
D.that she realized