What is the probability that exactly one of the computers

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Reference no: EM13627316

A computer retail store has 15 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.

(a) In how many different ways can the 4 computers be chosen?

(b) What is the probability that exactly one of the computers will be defective?

Reference no: EM13627316

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