Теория вероятностей и математическая статистика. Фарафонов В.Г - 50 стр.

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СПб ГУАП | Санкт-Петербург

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


    
p

     t
p


2()Φ =
p
tp


( )
( )2 .σξ σΦ-×<<+×= =
ppp
p а t a t t p

АрА
ξА
  ξ 

   ξ     
ξ 


0 30
0
3
1 31
1
3
( 0) (0,5) (0,5) 0,125;
( 1) (0,5) (0,5) 0,375;
ξ
ξ
-
-
== =
== =
p
C
p
C
2 32
2
3
3 33
3
3
( 2) (0,5) (0,5) 0,375;
( 3) (0,5) (0,5) 0,125.
ξ
ξ
-
-
== =
== =
p
C
p
C

X
k
p
k
   



   ξ   

[ ] 0 0,125 1 0,375 2 0,375 3 0,125 1,5;ξ =×+×+×+×=M

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