1._Probabilidades
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S
B
A
A
⊂
B ⊂ A
S ≡Ω
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S = = , , , , ,
S =
,
,
, ...
S = (x , y ) : −b x − y a
S = (r ,
c ) :
r ,
c
números decimales infinitos
0.9999
0,000999999
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S
n
n
=
=
= .
x
S
= ,
,
S
= a, b , c , d S
= a
, a
, a
, a
, a
, a
, a
, a
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σ σ
[
,
]
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S
= CC , CS , SC , SS
S
= CCC , CCS , CSC , SCC , SSC , SCS , CSS , SSS
S
S
t
S = −∞,∞
S = (r , c ) : r
, c
X (t )
X (t ) =
t t
X (t ) =
t > t
t
>
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σ F
S
S ∈ F
A
, A
, ... ∈ F ∞i =
Ai ∈ F
A ∈ F Ac ∈ F
S ∈ F
Φ ∈ F
(
)
A
, A
, ... ∈ F
( )
(
)
∞i =
Ai =
∞i =
Ac i
c
(S , F)
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σ
R
(a, b )
R
a b
σ
σ R
B(R)
B(R) = σ (a, b ) ⊆ R : a b
B(R)
B(R)
σ
σ
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S = Φ
F = S ,Φ σ
σ
S
S = Φ A ⊆ S F = S , A, Ac ,Φ σ
S =
,
,
F =
,
,
,
,
,
,
, , Φ
,
,
,
σ
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S = −∞, +∞
F
[a, b ]
(a, b ]
(a, b )
[a, b ) a
b
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[
,
]
A ∈ F
P (A)
P (S ) =
A
, A
, ... ∈ F
An
Am = Φ
m = n
P ∞
n=
An
= ∞
n=
P (An)
(S , F , P )
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n
A
nA
P (A) = limn→∞ nA
n
nA
n
nA
n =
A
nA
n =
A
A
B
nA∪B = nA + nB
nA∪B
n =
nA
n +
nB
n
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A, B , C
F
A ⊂ B
P (A) P (B )
P (A) + P (Ac ) =
P (Ac ) = − P (A)
A = S
Ac = Φ
P (Φ) = −
=
A
B
P (A ∪ B ) = P (A) + P (B ) − P (AB )
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A
B
P (B ∪ Ac ) = P (B ) − P (A ∪ B )
B = B ∩ A ∪ B ∩ Ac
A
B
P (A ∪ B ) = P (A) + P (B )
A
B
C
P (A ∪ B ∪ C ) = P (A) + P (B ) + P (C ) −
P (AB ) − P (AC ) − P (BC ) + P (ABC )
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A
, ...., An
n
P (A
∪ A
∪ ... ∪ An) =
ni =
P (Ai ) −i
<i
P (Ai
Ai
) + ...
+(− )r +
i
<i
<...<i r
P (Ai
Ai
...Ai r )
+... + (− )n+
P (A
A
...An)
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C
, C
.... S
A ∈ F
P (A
) = ∞i =
P (A∩C i )
A
, A
, ...
P ∞i =
Ai ∞
i =
P (Ai )
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An, n
A
⊂ A
⊂ ... ⊂ An ⊂ An+
⊂ ...
A
⊃ A
⊃ ... ⊃ An ⊃ An+
⊃ ...
An, n
limn→∞
An
limn→∞An =
ni =
Ai
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An, n
limn→∞P (An) = P (limn→∞An)
An, n
B n, n
B = A
B n = An
n− i =
Ai
c
= AnAc n−
n >
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B n
∞i =
B i =
∞i =
Ai
ni =
B i =
ni =
Ai n
P
∞i =
Ai
= P
∞i =
B i
=
∞i =
P (B i )
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= limn→
∞
ni =
P (B i )
= limn→∞P
ni =
B i
= limn→
∞P
n
i =
Ai = limn→∞P (An)
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S
S = v : −∞ < v <∞
Ai =v :
−
i −
v < −
i
∞i =
Ai
∞i =
Ai
B i =
v : v
i
∞i =
B i ∞i =
B i
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A
B
S A B
A ∪ B
A ∩ B
A
t
λ >
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C
C
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σ
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k
ni
i = , ..., k
n
× n
× .... × nk
n
n!
n
n! = n × (n − ) × .... × × ×
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r
n
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