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8
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< 
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[±#K
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
E < 
E <
. <M − #K
≤ µ ≤ <M + #K
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#

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!
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3 !
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
a
a
a
a 
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≤ ≤
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
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%!!
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# #E (# KE ) 
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≤ ≤ # #E + KG
 = KE`
##
##


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F
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5
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3
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(Y
)
± Y − (µ ± µ )
HG
σ
σ +
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!
!
(µ ± µ )
!
5
!
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σ
σ 
σ
σ
.  Y ± Y − 2 α +  = H−α
+ ≤ µ ± µ ≤ Y ± Y + 2 α 


(
)
(
)
H
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!
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(Y
=
)
± Y − (µ ± µ )
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(
)



 
  = H−α HK
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% 
+
+

 
  
(
)
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=
(Y
)
± Y − (µ ± µ )
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=
( +
)
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%
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H
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%
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
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a a a a
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9
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H !!!
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υ = − !
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− ) % 
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χ α 

−
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
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HM
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8!
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

.

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χ α
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
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−
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.
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9H
73 χ α = < χ α
−
=
=
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<
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<
%!!
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(E − ) < = KE`
 (E − ) <
.
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
# <M 
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{
}
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!
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1!
!
!
3 '! !
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!
%
.
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}
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E
1 -*
2*2
2-
! !!
48!
!
L θ 3
!
(!!2
!!!
2!
3
2=
Y −µ
∴ 2 σ 7 = Y −µ
σ7
H
"
2 = Y −µ 3
H
= 2 α σ 7
(!!2
!!!%3
=
Y −µ
∴ σ 7 = Y −µ
σ7
H9
"
2 = Y − µ 3
H<
= α σ 7
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,
! σ 7 =
σ
%!! σ 7 H!
3
 2 α σ 

= 

 
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2 α [
6 1
!!!
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!
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G
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HG
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3
=
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H,−+ 2 α σ H
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6 1
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4
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,
! σ 7 =
%
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3
 α % 

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
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M
α [
61
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3
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<
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 [
5
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