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    Question

    14 defective fans were accidentally mixed with 126

    non-defective fans. One fan is randomly selected. Find the probability that it is a defective fan.
    A 1/10 Correct Answer Incorrect Answer
    B 1/11 Correct Answer Incorrect Answer
    C 2/15 Correct Answer Incorrect Answer
    D 7/72 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Number of defective fans = 14
    Total number of fans = 126 + 14 = 140
    Required probability = (14/140) = (1/10)

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