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A dice is thrown twice and the sum of th...

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?

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A die 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?

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  14. The probability that a student selected at random from class will pass...

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  15. The probability that a certain person will buy a shirt is 0.2, the ...

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