A manufacturer claims that the mean lifetime of its fluorescent bulbs is 1000 hours. A homeowner sel
Question: A manufacturer claims that the mean lifetime of its fluorescent bulbs is 1000 hours. A homeowner selects 25 bulbs and finds the mean lifetime to be 980 hours with a standard deviation of 80 hours. Test manufacturer's claim. Use = 0.05.
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Answer: The solution consists of 1 page
Deliverables: Word Document
Deliverables: Word Document
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