Class 12 Probability · Mcq Single Correct1 Marksevent_algebra
Class 12 Maths · Probability · Mcq Single Correct #8
Given P(B)=3/5, P(A|B)=1/2 and P(A∪B)=4/5, find P(A).
✅ Step-by-Step Solution
Final Answer: Option (C): 1/2
- P(A∩B)=(1/2)(3/5)=3/10. Thus P(A)=4/5−3/5+3/10=1/2.
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