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How to find the 99% confidence interval for the population mean.

The coffee or soup machine at the local bus station is supposed to fill cups with 6 ounces of soup. Ten cups of soup are taken with results of a mean of 5.93 ounces and a standard deviation of 0.13 ounces. Construct a 99% confidence interval for the true machine-fill amount.

A. [5.888 5.972]
B. [5.814 6.046]
C. [5.716 6.144]
D. [5.824 6.036]
E. [5.796 6.064]

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