JEE Main & Advanced Mathematics Probability Question Bank Conditional probability bayes theorem

  • question_answer
    Two dice are thrown. What is the probability that the sum of the numbers appearing on the two dice is 11, if 5 appears on the first

    A)                 \[\frac{1}{36}\]    

    B)                 \[\frac{1}{6}\]

    C)                 \[\frac{5}{6}\]       

    D)                 None of these

    Correct Answer: B

    Solution :

                    Since we are given that 5 appears on first die so to get sum 11, six must be on the second and hence, the required probability \[=\frac{1}{6}.\]


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