Juhuslikud sündmused
X = X2 - X = i i
2
- X = 135,8594 - 7,6875 2 = 76,7617 = 8,761 . .
i =1
78. , 20 5 .
4 .
X .
. ?
X, .
.
, X 0, 1, 2,
3 4. . :
C154 15!4!16! 91
P ( X = 0) = = = ,
C 204 4!11!20! 323
C 51C153 5 15!4!16! 455
P ( X = 1) = = = ,
C 204 3!12!20! 969
C 52 C152 10 15!4!16! 70
P ( X = 2) = = = ,
C 204 2!13!20! 323
C 53 C151 10 15 4!16! 10
P ( X = 3) = = = ,
C 204 20! 323
C 54 5 4!16! 1
P ( X = 4) = 4
= = .
C 20 20! 969