1300 Math Formulas

(Dana P.) #1
CHAPTER 12. PROBABILITY


  1. kçêã~ä=aÉåëáíó=cìåÅíáçå=


()

()
O

O
O

ñ
É
O

N


ñ σ

− −μ
σ π

φ = I==

ïÜÉêÉ=ñ=áë=~=é~êíáÅìä~ê=çìíÅçãÉK=
=


  1. pí~åÇ~êÇ=kçêã~ä=aÉåëáíó=cìåÅíáçå=


() O

òO
É
O

N


ò


π

φ = =

^îÉê~ÖÉ=î~äìÉ= Mμ= I=ÇÉîá~íáçå= Nσ= K=
=

===== =


=


Figure 210.
=


  1. pí~åÇ~êÇ=w=s~äìÉ=


σ

−μ
=
u
w=

=


  1. `ìãìä~íáîÉ=kçêã~ä=aáëíêáÄìíáçå=cìåÅíáçå=


()

()


−∞

σ
−−μ
σ π

=


ñ
O

í
É Çí
O

N



O

O
I==
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