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You intend to estimate a population mean / with the following sample. 50 65.5 65.5 48.8 81.7 91.2 83 79.6 65.1 72.2 77.8 You believe

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You intend to estimate a population mean / with the following sample. 50 65.5 65.5 48.8 81.7 91.2 83 79.6 65.1 72.2 77.8 You believe the population is normally distributed. Find the 99.9% confidence interval. Enter your answers accurate to two decimal places.

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