(Steps Shown) The average weight of a bag of potato chips should be 12 ounces. A random sample of 8 bags yields the following weights: 11.2, 11.8, 12.2, 12.1,
Question:
The average weight of a bag of potato chips should be 12 ounces. A random sample of 8 bags yields the following weights: 11.2, 11.8, 12.2, 12.1, 11.9, and 11.6 ounces. Test the hypothesis that the bags are being under-filled.
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