:
.
,
.
-
(
n ≥ 100, , q ≤ 0,1). ,
,
.. .
n P
:
n!
P e
n
n
λ ⋅ −λ
=,
n P - ;
N -
λ = n⋅ p - ;
e = 2,72 - .
.
, ,
.
.
(n <30).
:
+
⎟ ⎟⎠
⎞
⎜ ⎜⎝
⎛
= ⋅ +
k
T k
ϕ A t,
~
⋅ −
−
=
S n
T x x - ,
S ,
x ~
- ;
K=n-1-
,
K k
k
A
⋅ ⋅ ⎟⎠
⎞
⎜⎝
⋅ ⎛
⎟⎠
⎞
⎜⎝
⎛ +
⋅
=
γ π
γ
,
γ γ_ .
,
.
( )
,
,
.
:
()
'() 1 σ
σ π
ϕ
X x
X e
−
−
⋅
⋅
=,
ϕ '(x) - (
|
|
);
π =3,14, e = 2,72 - ;
X - ;
σ- .
x
σ .
(. 5.6):
. 5.6.
:
;
- {
σ 2π
; 1
⋅
x };
,
x = Mo = Me;
: ,
{
e
x
⋅ ⋅
−
σ π
σ
; 1 }, - {
e
x
⋅ ⋅
+
σ π
σ
; 1 };
:
,
, ;
x,
, ;
σ,
: σ -
, ,
; σ - ,
;
, ,
:
100%, x σ 68,3%
, x 2σ - 95,44% , x 3σ -
.
, ,