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Five of the 100 digital video recorders dvrs. In an inventory are known to be defective. What is the probability you randomly selected an item that is not defective
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Five of the 100 digital video recorders dvrs. In an inventory are known to be defective. What is the probability you randomly selected an item that is not defective

User Matt Self
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19 out of 20   because u only have a 1 out 20 chance u will get one that works                                  
User Brian Weinreich
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