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  3. 10th Class
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  5. Probability

10th Class Mathematics Probability Question Bank MCQs - Probability

  • question_answer
    If p is the probability of happening of an event and q is the probability of non-happening of the event, then \[p+q\] is equal to:

    A) 0

    B) 1

    C) \[-1\]

    D) 2

    Correct Answer: B

    Solution :

    [b] \[P(E)+P(\bar{E})=1\]


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