Question: An inspector chooses a sample of parts coming from an

An inspector chooses a sample of parts coming from an automated lathe by visually inspecting all parts, and then including 10 percent of the “good” parts in the sample with the use of a table of random digits.
(a) Why does this method not produce a random sample of the production of the lathe?
(b) Of what population can this be considered to be a random sample?

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  • CreatedNovember 04, 2015
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