CBSE Class 12 Mathematics 2026 Main Paper 65/2/1 · Q181 Marksconditional_probability
CBSE Class 12 Mathematics 2026 Main Paper 65/2/1 · Question 18 (Probability)
For events A and B with P(A)≠0 and P(B)≠1, find P(A′ | B′).
✅ Step-by-Step Solution
Final Answer: [1−P(A∪B)]/P(B′)
- Use P(A′∩B′)/P(B′) and A′∩B′=(A∪B)′.
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