Class 12 Probability · Mcq Single Correct1 Marksconditional_probability
Class 12 Maths · Probability · Mcq Single Correct #4
Two independent fair dice have sum 9. Find the conditional probability that at least one die shows 4.
✅ Step-by-Step Solution
Final Answer: Option (D): 1/2
- Given sum 9, the equally likely ordered outcomes are (3,6),(4,5),(5,4),(6,3). Two contain 4, giving 2/4=1/2.
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