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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

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

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User Matt Self
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1 Answer

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