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October 20, 2014

Homework Help: precalculus

Posted by n/a on Tuesday, March 30, 2010 at 9:05pm.

a shipment of 10 microwaves contains 3 defective units. in how many ways can a vending company choose 4 units if: a)all units are good b)2 units are good c) at least 2 units are good

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