, , . " , . . , . .
, . , , , .
, , . , , . , , , , . , a .
{1}= {2} =... = {n} = P,
P {ˉA1} = P {ˉA2} =... = P {ˉAn} = 1 p = q
, . , . . . , , :
Bm = A1A2... AmˉAm+1... ˉAn +...+ ˉA1ˉA2...ˉAn-m An-m+1...An,
, -- .
, (3.1), . , , , ( )
= or = n!/m!(n m)! P ͫ*qͪˉ ͫ
(3.2)
(3.2) , , , , .
1. 0,07. , .
. . , , (3.2)
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