SOLUTION: A study of a manufacturing process indicates that 120 of 6,000 units produced are defective. If a sampler selected 100 units, how many defective units would be present.

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Question 670918: A study of a manufacturing process indicates that 120 of 6,000 units produced are defective. If a sampler selected 100 units, how many defective units would be present.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A study of a manufacturing process indicates that 120 of 6,000 units produced are defective. If a sampler selected 100 units, how many defective units would be present.
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Use a proportion:
x/100 = 120/6000
x = 100(12/600)
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x = 2 (expect to find 2 defective in the lot of 100)
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Cheers,
Stan H.