InterviewSolution
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                                    यदि `(If) P(A)=6/11, P (B)=5/11` और (and)`P(AuuB)=7/11` तो ज्ञात कीजिए `(i)P(AnnB)" "(ii)P(A//B)" "(iii)P(B//A)` | 
                            
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Answer» (i ) प्रायिकता के योग प्रमेय से, `P(AuuB)=P(A)+P(B)-P(AnnB)` `therefore(7)/(11)=(6)/(11)+(5)/(11)-P(AnnB)" "impliesP(AnnB)=1-(7)/(11)=(4)/(11)` (ii) परिभाषा से, `P (A//B)=(P(AnnB))/(P(B))=(4//11)/(5//11)=4/5` (iii) फिर `P (B//A)=(P(AnnB))/(P(B))=(4//11)/(6//11)=2/3.`  | 
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