如何表达“我来自美国()
A.I’m from China
B.I’m from the USA
C.I’m from Canada
B、I’m from the USA
A.I’m from China
B.I’m from the USA
C.I’m from Canada
B、I’m from the USA
设总体X的概率密度为来自总体x的简单随机样本,记
(I)求X(3)的概率密度f(3)(x);
(II)求概率P{max(X1,X2)<X3}.
A.May I see your passport, please
B.May I see your Visa,please
C.May I see your arrival Card
A.A[(P/A,i,m+n)-(P/A,i,m)]
B.A(P/A,i,n).(P/A,i,m)
C.A(P/A,i,n).(P/F,i,m)
D.A(P/A,i,n).(P/F,i,m+n)
E.A(F/A,i,n).(P/F,i,m+n)