Asked by Mark
                12 light bulbs are tested to see if they last as long as claimed. 3 of them fail. 2 light bulbs are selected at random without replacement. find the probablility that at least one of the 2 selected failed the test.
            
            
        Answers
                    Answered by
            Cat
            
    45%
54.5%
45.5%
    
54.5%
45.5%
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