Question: A quality control engineer inspects 300 widgets on an assembly line and finds that 18 are defective. The assembly line should produce defective at a
A quality control engineer inspects 300 widgets on an assembly line and finds that 18
are defective. The assembly line should produce defective at a rate of no more than 5
defectives for every 100 produced. Are the inspectors results that the line should be
shut down and repaired? Use significance level = 0.01.
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