Question
Download Solution PDFयदि A और B दो घटनाएं इस प्रकार हैं जिससे P(A) ≠ 0 और P(B | A) = 1 है, तो निम्न में से कौन-सा सही है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
- A ⊂ B = उचित उपसमुच्चय: A का प्रत्येक अवयव B में है, लेकिन B में अधिक अवयव हैं।
- ϕ = रिक्त समुच्चय = {}
गणना:
दिया गया है: P(B/A) = 1
⇒
⇒ P(A ∩ B) = P(A)
⇒ (A ∩ B) = A
इसलिए A का प्रत्येक अवयव B में है, लेकिन B में अधिक अवयव हैं।
∴ A ⊂ B
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