9th Class Mathematics Probability Question Bank Probability

  • question_answer   Tony and Hari each spins the spinner alongside. The possibility that tony spins prime number and Hari spins a multiple of 3 is

    A) \[\frac{1}{8}\]     

    B)  \[\frac{1}{8}\]            

    C)  \[\frac{1}{4}\]                         

    D)  \[\frac{5}{8}\]

    Correct Answer: A

    Solution :

    (a): \[n\left( E \right)=\left\{ 3 \right\}=1\] \[n\left( S \right)=\left\{ l,2,3,4,5,6,7,8, \right\}=8\] \[n\left( P \right)=\frac{1}{8}\]                


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