9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    A letter is chosen at random from the word ?PROBABILITY?. The probability that it is a vowel is

    A)  \[\frac{6}{11}\]                                 

    B)  \[\frac{3}{11}\]

    C)  \[\frac{7}{11}\]                                 

    D)  \[\frac{4}{11}\]

    Correct Answer: D

    Solution :

         Total letters\[=11\] Vowels in the word PROBABILITY = O, a, i, i Required probability\[=\frac{4}{11}\]


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