A Shelf in the Metro Department Store Contains 75 Colored

Short Answer

A shelf in the Metro Department Store contains 75 colored ink cartridges for a popular ink-jet printer. Seven of the cartridges are defective. A customer selects 2 of these cartridges at random from the shelf.
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What is the probability that both are defective?
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__________
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What is the probability that at least 1 is defective?
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__________