📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

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

    he hits the bulb 3 times in every 5 throws and bulb breaks 3 times out of 12 hits, then find the probability of A breaking the bulb.
    A 5/20 Correct Answer Incorrect Answer
    B 3/10 Correct Answer Incorrect Answer
    C 3/20 Correct Answer Incorrect Answer
    D 5/21 Correct Answer Incorrect Answer

    Solution

    Probability of A hitting the bulb = 3/5 Probability of the bulb being broke on getting hit = 3/12 = 1/4 Probability of A breaking the bulb = (3/5) × (1/4) = 3/20

    Practice Next
    More Probability Questions
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call