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10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    Probability of getting exactly two heads on the tossing of two coins simultaneously is:

    A) \[\frac{1}{2}\]

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

    C) \[\frac{3}{4}\]

    D) 1  

    Correct Answer: B

    Solution :

    [b] Sample outcomes \[=\{HH,HT,TH,TT\}\]
    Total no. of sample outcomes =4 
    Favourable outcomes = Exactly two leads
    \[=\{HH\}\]
    Total no. of favourable outcomes =1
    \[\therefore \]   Required probability \[=\frac{1}{4}\]


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