A random sample of 30 sandwiches from a fast-food restaurant has a mean of 1042.7 milligrams of
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Question:
A random sample of 30 sandwiches from a fast-food restaurant has a mean of 1042.7 milligrams of sodium and a standard deviation of 344.9 milligrams of sodium. Construct the 88% confidence interval for the mean amount of sodium in the sandwiches.
1. Use the calculator to find the confidence interval for the mean amount of sodium in the sandwiches if the confidence level will be 92%, and all other values stay the same.
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