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    5. Of 10 computer chips, 4 are defective. What is the probability of selecting 3 without replacement, o

    Question

    Of 10 computer chips, 4 are defective. What is

    the probability of selecting 3 without replacement, only one of which is defective?
    A 0.5 Correct Answer Incorrect Answer
    B 0.9 Correct Answer Incorrect Answer
    C 1 Correct Answer Incorrect Answer

    Solution

    There are only 3 ways in which just one can be defective:

    1. only the first is defective

    2. only the second is defective

    3. only the third is defective

    According to the rule of multiplication,

    Practice Next
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