9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    Which of the following statement is/are incorrect? The probability of drawing a red card from a pack of 52 playing cards is\[\frac{1}{2}\] (ii) All probabilities have a value between 0 and 1. (iii) A bag holds 4 green marbles, 3 red marbles and 5 blue marbles. The probability of pulling out a red marble is\[\frac{1}{3}.\]

    A)  only (i) and (ii)           

    B)  only (iii)

    C)  only (ii) and (iii)         

    D)  only (ii) and (iii)

    Correct Answer: B

    Solution :

         P (Red marble)\[=\frac{3}{12}=\frac{1}{4}\]


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