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    Question

    A is trying to break a bulb by throwing balls at it. If

    he hits the bulb 5 times in every 10 throws and bulb breaks 6 times out of 15 hits, then find the probability of A breaking the bulb.
    A 2/5 Correct Answer Incorrect Answer
    B 3/5 Correct Answer Incorrect Answer
    C 1/5 Correct Answer Incorrect Answer
    D 1/4 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Probability of A hitting the bulb = 5/10 = 1/2 Probability of the bulb being broke on getting hit = 6/15 = 2/5 Probability of A breaking the bulb = (1/2) × (2/5) = 1/5

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