Année 2006 2007

A B C
A={1,2,3}, B ={1,4,5}C={1,2,4,6}.
A C B C
A∪B C
A C B C
A B
A∪B C
X1, X2, ..., Xkk > 0b
XiN(µi, σi)µi
σiY=P16i6kXi+b
X
P(X=n) = np2(1 −p)n−1, n = 1,2,3, ...
0< p < 1
P x
P∞
n=0xn=1
1−x
X
X
T
f(t) = ct2(100 −t)2t∈[0,100]
0

T
[0,1]
•
•
•
[0,1] [1,2] [2,3]