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9th Class Mathematics Probability Question Bank Probability

  • question_answer
    On the basis a bar graph given alongside what is the possibility that a randomly selected family has 4 or more family members?

    A) \[0.\overline{3}\]                        

    B)  \[0.\overline{6}\]          

    C)  \[0.\overline{4}\]          

    D)  \[0.\overline{9}\]

    Correct Answer: C

    Solution :

    (c): Number of families who have 3 or four family member =40 Total families = 90 \[n\left( P \right)=\frac{40}{90}=.\overline{4}\]               


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