TD2 - Jean-Romain HEU

X
n X
a∈ {0,...,36}X(a) = 35 X(i) = −1i6=a
a b
X1
X2a>b 0a=b−1a < b
X3b a < 1
2a
x λ X x
x > 1 0
p

X
fX
X
E[X]
Y
Y=0X < 0
1X > 0
Y
X|Y= 1
X Y
f g Z =X+Y Z
f∗g
X∼ U[a, b]Y∼ U[c, d]
X Y G(p)G(q)
U= min(X, Y )U
p q
λ µ
X
Y
Y
n > k > 0P(X=n|Y=k) = 1
2n−k
P(X=n∩Y=k)
XP(X=n)n
t > 0Xt
t Xt
λt ∀k∈N P(Xt=k) = e−λt (λt)k
k!
T
t1< t2Xt1Xt2
t > 0P(T1> t) = P(Xt= 0)
T
0< t0< t t
t0