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OpenStudy (anonymous):
A company manufactures marbles. Over a year, it is observed that 70% of the marbles manufactured pass the quality check and 30% are rejected. 60% of the rejected marbles undergo reprocessing, while the rest go into scrap. What is the probability that out of 15 marbles selected at random exactly 3 marbles go into scrap?
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OpenStudy (perl):
hmmm
OpenStudy (anonymous):
help?
OpenStudy (perl):
|dw:1391394569505:dw|
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