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Mathematics 8 Online
DustinSettle:

The branch manager of a clothing store is analyzing the average total bill of sale for his location. The national manager has communicated that the overall population mean is $45.90 with a standard deviation of $10.34. The branch manager has a sample of 400 total bills of sale for his location. By the central limit theorem, which interval can the branch manager be 95% certain that the sample mean will fall within?

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