a computer retail store has 11 personal computers in stock. a buyer wants to purchase 4...

a computer retail store has 11 personal computers in stock. a buyer wants to purchase 4 of them. unknown to either the retail store or the buyer, 4 of the computers in stock have defective hard drives. assume that the computers are selected at random.
in how many different ways can the 4 computers be chosen
what is the probability that exactly one of the computers will be defective
what is the probability that at least one of the computers selected is defective

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Colby Messinger answered 1 year ago

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