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# A pharmaceutical company is considering the purchase of new bottling machines to increase its ...

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A pharmaceutical company is considering the purchase of new bottling machines to increase its efficiency. The factory currently uses machines that fill cough syrup bottles whose volume of medicine has a standard deviation of 1.6 mL. The new machine the company is considering was tested on 30 bottles, producing a batch with a standard deviation of 1.25 mL. Does this machine produce a variance of less than 1.6 at the 0.05 significance level? State the TS and test decision.

TS = 17.700; rejectH0

TS = 22.6563; rejectH0

TS = 23.4375; rejectH0

TS = 18.3105; rejectH0

Textbook

## Introductory Statistics: A Problem-Solving Approach

Edition: 3rd
Author:
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olsondiolsondi
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javielito2000 Author
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 this is exactly what I needed
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 Good timing, thanks!
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