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

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

(a) If a customer selects 3 cartridges at random from the shelf, what is the probability that they are all defective? (Round your answer to five decimal places.)

 

 


(b) If a customer selects 3 cartridges at random from the shelf, what is the probability that at least 1 is defective? (Round your answer to three decimal places

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