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9th Class Mathematics Probability Question Bank Probability

  • question_answer
    A die is rolled 120 times and the outcomes are recorded in the given table.
    Outcome 1 Even number less than 6 Odd number greater-than 1 6
    Frequency 30 35 30 25
    Determine the probability of getting an odd number greater than 1 in a trial.

    A)  0.167                                   

    B)         0.125                   

    C)         0.29                                      

    D)         0.25

    Correct Answer: D

    Solution :

    Total number of trials =120 Chances or trials which favour the outcome (odd number greater than 1 = 30) Probability (Odd number greater than1) \[=\frac{30}{120}=\frac{1}{4}=0.25\]


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