... [ 2] 1 (0, 12 0,46) 0,42pZ==−+ = Z 0 1 2 p 0, 12 0,46 0, 42 [ 1] [ 2] 0,42pZ pZ>= = = ( ) 0.0, 12 1.0,46 2. 0, 42 1,3MZ=++ = 22 2 2( ) 0 .0, 12 1 .0,46 2 .0, 42 2,14MZ=++ = 22 2 ()( ... 2 2 2 0( 1)clnsσ−Χ=→ 2 2 (25 1 )20 ,44001 24 ,994−Χ= = 22 (0,975 ;24 )(1 ; 1) 2 12, 4nα−−Χ=Χ= 22 (0, 025 ;24 )( ; 1) 2 39,4nα−Χ=Χ = 2 22 (0,975 ;24 ) (0, 025 ;24 )Χ <Χ <Χ: Chấp ... 10,04=, 29 0 ,25 116f = = 2 11, 28 ( ) .0 ,25 .0,75 1 92 0,04n ≥= 2 2.xtsn≤ . 2 2 2 .()xtsn→≥ 0,10,1 1, 65tα= →=, 2 0,8=, 9,9 925 xs = 2 21,65.9,9 925 ()4,8,0 42 8n...