SOLUTION: Three samples are taken simultaneously from a process that is know to produce 20% defects. What is the probability that all three samples will be good.
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Question 895363: Three samples are taken simultaneously from a process that is know to produce 20% defects. What is the probability that all three samples will be good. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Three samples are taken simultaneously from a process that is know to produce 20% defects. What is the probability that all three samples will be good.
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Note 20 out of 100 are defective.
Therefore 80 out of 100 are good.
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# of ways to succeed:: 80C3
# of random triples:: 10C3
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P(3 good) = 80C3/100C3 = 0.5081
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Cheers,
Stan H.
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