Posted by Kate on .
Among 17 metal parts produced in a machine shop, 6 are defective. If a random sample of four of these metal parts is selected, find:
(a) The probability that this sample will contain at least three defectives. (Do not round the intermediate answers. Round your answer to 4 decimal places.)
(b) The probability that this sample will contain at most one defective. (Round your answer to 4 decimal places.)

statistics 
RODAH,
4
5