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Refer to the Buena school district bus data. a. Develop a 95% confidence interval for the mean bus maintenance. b. Develop a 95% confidence interval

Refer to the Buena school district bus data.

a. Develop a 95% confidence interval for the mean bus maintenance.

b. Develop a 95% confidence interval for the mean bus miles.

c. Write a business memo to the state transportation official to report your results.

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