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posted by Katie on Saturday, December 10, 2011 at 6:07pm.

A shipment of portable radios contains 14 good radios and 3 defective ones. If two are randomly selected (without replacement) and tested, find the probability that at least one will be defective.

Check 180 baskets out of 18000 for defects 3 are defective how many should he predict are defective?

A shipment of 10 TV's contains 3 defective sets. How many ways can a hospital purchase 4 of these sets and receive at least 2 defective sets?

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