u分布
参考答案:
若某一随机变量X服从总体均数为υ、总体标准差为σ的正态分布N(υ,σ2),则通过u变换(X-u/σ)可将一般正态分布转化为标准正态分布N(0,12),即u分布。
—Paul seems upset today.
—Yes,he wrote an application letter to Neusoft but waited__________for a reply .
A.in vain
B.in order
C.in time
D.in return
创建卷组时,卷组的组成物理卷被等分为物理分区(LP)。