Question
1.How many ways can we arrange a sample of6elements from a population of15 elements? answer: 2. A computer retail store has9personal computers in stock. A
1.How many ways can we arrange a sample of6elements from a population of15
elements?
answer:
2. A computer retail store has9personal computers in stock. A buyer wants to purchase2 of them. Unknown to either the retail store or the buyer,2 of the computers in stock have defective hard drives. Assume that the computers are selected at random.
(a)In how many different ways can the2 computers be chosen?
answer:
(b)What is the probability that exactly one of the2computers selected will be defective (AKA we choose1 defective computer and1working computers)?
answer:
(c)What is the probability that at least one of the2 computers selected is defective?
answer:
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