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Confidence interval for population mean-sunblush technology

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SunBlush Technologies is a well established company with thousands of employees and they want to estimate the average age of their workers. A sample of 157 employees was taken. Assuming the population has a standard deviation of 6.3, we want to find a 99% confidence interval for the population mean.

a) What is the value of α?

Reference no: EM132495183

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