Page 135 - Math Grade 11 (Advance)

PROEUS DARA

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- m A S b B d1 1JrH1 filHlii 2 n tHlitn t\H1ffi n'i:H1.H 1:Hl5 P( A) :;t: 0 t E!H i'i5 Ql'i5
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'l:llSrun2rulCS1Jn~filHtn B tl:llti5tlbtfl A ~ P(BIA) = P(AnB)
s s 01 P(A)
- &?iffiu?i ru1 21012 !:ltHil P(AI B) = P(A n B) (P(B) :;t: 0)
u "' P(B)

P(A n B) = P(A) x P(B/ A) = P(B) x P(A/ B)
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t~tlmfirun2rul run~runbthrun~run2 ru121b tUfil~ :
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1 . P(A n B) P(A) x P(B)
2. P(AIB) = P(A) ~

3 . P(BI A) = P(B)

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- t?itf11Jl~fil~rul A SblJl~fil~rul B H1LtUti5~ mrurun
P(A n B) :;t: P(A) x P(B)

n
P(B) = ~ [P(BI Ai) x P(Ai)]
i= I
P(B/ Ak) X P(Ak)
P(Ak/B) = -n------
~ [P(BI A) X P(Ai)]
i= I

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