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    BA 501,Techniques in Business & Economics, Statistics

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    There are 10 rolls of film in a box and 3 are defective. Two rolls are to be selected, one after the other. What is the probability of selecting a defective roll followed by another defective roll?

    1/2, or 0.50

    1/4, or 0.25

    1/120, or about 0.0083

    1/15, or about 0.07

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