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A manufacture believes 20% of items are defective. In a random sample of 400 items, 88 are defective. At a significance of alpha = .05,
A manufacture believes 20% of items are defective. In a random sample of 400 items, 88 are defective. At a significance of alpha = .05, does the sample support or refute the manufacture's belief?
Select one:
a. Analysis of the sample does not support the manufacturer's belief.
b. Analysis of the sample supports the manufacturer's belief.
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