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A sample of size 18 drawn from a normally distributed population has sample mean 27 and sample standard deviation 9. Construct a 95% confidence interval

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A sample of size 18 drawn from a normally distributed population has sample mean 27 and sample standard deviation 9. Construct a 95% confidence interval for the population mean. Show your work in the following html window. Write your answer in interval notation a, b . Round your a and b to two decimal places

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