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A shelf in the Metro Department Store contains 95 colored ink cartridges for a popular ink-jet...

A shelf in the Metro Department Store contains 95 colored ink cartridges for a popular ink-jet printer. Seven of the cartridges are defective.

(a) If a customer selects 2 cartridges at random from the shelf, what is the probability that both are defective? (Round your answer to five decimal places.)


(b) If a customer selects 2 cartridges at random from the shelf, what is the probability that at least 1 is defective? (Round your answer to three decimal places.)

Math   Statistics-And-Probability   
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