Question
Download Solution PDFयदि A और B दो पारस्परिक रूप से अपवर्जित घटनाएँ हैं तो P(A ∪ B) =?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा:
P(A ∪ B) = P(A) + P(B) - P(A ∩ B)
पारस्परिक रूप से अपवर्जित घटनाओं A और B के लिए P(A ∩ B) = 0
गणना:
हम जानते हैं, पारस्परिक रूप से अपवर्जित घटनाओं A और B के लिए P(A ∩ B) = 0
∴ P(A ∪ B) = P(A) + P(B) - 0
= P(A) + P(B)
इसलिए, विकल्प (2) सही है।
Last updated on Jun 20, 2025
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