, , 11 = 22 = 0. (6.30)
2 = 0,05 P 1 = 1- 2 = 0,95 - .
;
, ,
-(F - 400)2 / (2×152) + (F - 430)2 / (2×502) = ln(2,632× 15 / 50) = - 0,2362.
:
F 2 - 0,794×103× F + 15,74×104 = 0.
F 0 = 411,46. , , 411,46 . , 411,46 400 = 11,46 . 6.3, 1 = 400 , 2 = 430 , 0 = 411,46 .
, ,
x Î D 1, f ( / D 1) / f (/D 2) > 1; (6.37)
x Î D 2, f(/D1) / f (/D 2) < 1, (6.38)
x - .
= 0 :
f (/D 1) = f (/D 2). (6.39)
(6.39), (6.35) (6.30), , ,
λ = P 2×( 12 - 22) / [ P 1×( 21 - 11)] = 1. (6.40)
, . 11 = 22 = 0 (6.40)
P 2 12 / (P 1 21) = 1. (6.41)
, , P 1 >> Ρ 2 12 >> 21. 6.8.
6.8 [1].
6.7. .