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Home » A dice is thrown twice and the sum of the numbers appearing is observed to be What is the conditional probability that the number has appeared at least once?
A dice is thrown twice and the sum of the numbers appearing is observed to be 6 . What is the conditional probability that the number 4 has appeared at least once?
CBSE | Class 12 | Exercise 31.3 | Maths | Probability | RD Sharma
A dice is thrown twice and the sum of the numbers appearing is observed to be 6 . What is the conditional probability that the number 4 has appeared at least once?

The sample space for the experiment is {(1,1),(1,2),(1,3)...(6,6)} consisting of 36 outcomes

 

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