P*(A)=m/n
, m .
P(A)=lim(m/n) ( n→∞)
( ) ( ).
P( ) = () + ().
( )
P( ) = ()().
()=(/)()
, L - ( )
Pin=n(n-L)(n_-L+1)PL(L-P)n-L ⁄ L!,
.
-
: 1, 2,... :
p(x1)=p1, p(x2)=p2 .
, ,
X=(m1 1+m2x2++mnxn)/n=x1m1/n+..+xnmn/n
i, , xi.
M(X)= x1p1 +..+xnpn
D(X) = M{[X-M(X)]2},
D(X) = M(X2)-[M(X)]2,
S(X)=(D(X))1/2
, - (, b)
f(x) ( ).
( ) | |
, σ - . . |
F(x)=((x-a)/σ)
.
, , k .
( )
,
R , ( )
(), , h ( )
h h=0
(), , h
n h =
( -)
|
|
x - ε< μ < x + ε,
x ε
(n>30)
τ=(εn1/2)/σ
σ -
τ P (τ)=(1+P)/2
n≤30
ε=ts/n1/2
s2=nσb2/(n-1) ,
σb2 t ( ) .
. .
. ,