Class 12 Probability · Mcq Single Correct1 Marksindependence
Class 12 Maths · Probability · Mcq Single Correct #90
Independent E,F satisfy P(E)=0.3 and P(E∪F)=0.5. Find P(E|F)−P(F|E).
✅ Step-by-Step Solution
Final Answer: Option (C): 1/70
- 0.5=0.3+P(F)−0.3P(F), so P(F)=2/7. Independence gives the difference 3/10−2/7=1/70.
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