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Refer to the Buena school district bus data. Information provided by manufacturers of school buses suggests the mean maintenance cost per month is $455 per

Refer to the Buena school district bus data. Information provided by manufacturers of school buses suggests the mean maintenance cost per month is $455 per bus. Use statistical software to find the mean and the standard deviation for the Buena buses. Does the Buena data seem to be in line with that reported by the manufacturer? Specifically, what is the probability of the sample mean being less than Buena’s, given the manufacturer’s data?

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