Among 12 metal parts produced in a machine shop, 3 are defective. (a) If a random sample of three of these metal parts is selected, find the probability that this sample will contain at least two defectives. (Round your answer to 4 decimal places.)   Probability    (b) If a random sample of three of these metal parts is selected, find  the probability that this sample will contain at most one defective. (Round your answer

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Among 12 metal parts produced in a machine shop, 3 are defective.

(a)

If a random sample of three of these metal parts is selected, find the probability that this sample will contain at least two defectives. (Round your answer to 4 decimal places.)


  Probability   

(b)

If a random sample of three of these metal parts is selected, find  the probability that this sample will contain at most one defective. (Round your answer to 4 decimal places.)


  Probability   
 
 
 
 
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