, . , . P(A)=m/n n- , m- .
3 . 1 , 0=<P(A)=<1. - . Q=m/n. . . - , Q . .
4 , . . . . 1 . =1+2..+n : 2 . 1 1..2.. n 1. 2 1.
11 . 2 . - . =1*2* n 1 2 . . . . (2/1)- 2 . 1. n (n/1*2* n) 2. 2 . ()=(1)*(2/1)*(n/1*2*n-1)
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12 n . n()- , - , q- . - n . 0 1 n . n 0, . , n*h-q=<K0=<n*p+p. , . 0, n =* n
13 . , .. . . . .
14 , . 1 . . - . - . 2 , . . . , . 3 . .
15 : 1 . . 2 . , 1.