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A fast food restaurant estimates that the mean sodium content in one of its breakfast...

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A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is 940 milligrams. A random sample of 44 breakfast sandwiches had a mean sodium content of 944 milligrams with a standard deviation of 18 milligrams. Is there sufficient evidence to say that the sodium content is more than 940 milligrams. Use a 1% level of significance. Conduct the appropriate hypothesis test.

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