CBSE Class 12 Mathematics 2026 Main Paper 65/2/3 · Q41 Marksconditional_probability
CBSE Class 12 Mathematics 2026 Main Paper 65/2/3 · Question 4 (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)′.
Master Chapter 13: Probability
Practise interactive questions, flashcards, visual mind maps, and timed board tests for Probability.
← Previous Question
Which pair gives the nontrivial constraints for the shaded feasible…
Next Question →On A={1,2,3}, classify R={(1,3),(3,3),(1,1),(2,2),(3,1)}.
All Questions in CBSE Class 12 Mathematics 2026 Main Paper 65/2/3
Related Questions in Probability
Class 12 Probability · Mcq Single Correct
Given P(A)=4/5 and P(A∩B)=7/10, find P(B|A).
Class 12 Probability · Mcq Single Correct
Five independent fair coins are tossed. Find the probability of at least one head.
Class 12 Probability · Mcq Single Correct
Given P(A|B)=0.3, P(A)=0.4, P(B)=0.8, find P(B|A).
Class 12 Probability · Mcq Single Correct
Two independent fair dice have sum 9. Find the conditional probability that at least one die…
Class 12 Probability · Mcq Single Correct
Choose an ordered pair (a,b) uniformly with distinct a,b from {1,2,3,4,5}. Find P(a/b is an…
Class 12 Probability · Mcq Single Correct
Given P(A)=0.4, P(B)=0.3 and P(A∪B)=0.5, find P(B′∩A).