.


:




:

































 

 

 

 





n. , () ( ). . nx , . , , .. X < x. , . , .

,

n ; nx , .

, () , .. () . F (x) . , F (x) X < x, Fn (x) - .

n , . (. 1.), , n.

, , Fn (x) , F (x). , Fn (x) ,

1. .

2. Fn (x) .

3. .

4.3. 4.1:

 

i        
n i        

. 10.

3, Fn (x) = 0, ≤ 3.

< 4, , =3 1 ,

Fn (x) = , 3 < ≤ 4.

< 6, , =3 = 4 1 + 3 = 4 , Fn (x) = , 4 < ≤ 6.

< 9, , =3, = 4 = 6 1 + 3 + 5 = 9 ,

Fn (x) = , 6 < ≤ 9.

9, Fn (x) = 1, > 9.

,

 

 

:

0,9
0,4
Fn
x
0,1
 
3 4 6 9

 


 

. 3 , . : ? , 4.2.

4.4.

2,5-19,5 19,5-36,5 36,5-53,5 53,5-70,5 70,5-87,5 87,5-104,5
           

 

. 50 . , Fn (x) =0. , . X < x, .. Fn (x) , , . , 6. , 6 , , .. 19,5. . , , Fn (x) ,

. ■

, , , . , , . 4.4 :

 

Fn   0,78   0,62   0,4   0,22   0,12  
2,5 19,5 36,5 53,5 70,5 87,5 104,5
x
 

 

 


, . , , .





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