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QUESTION & Suppose germination periods, in days, for grass seed are normally distributed and have a known population standard deviation of 5 days and an

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QUESTION & Suppose germination periods, in days, for grass seed are normally distributed and have a known population standard deviation of 5 days and an unknown population mean. A random sample of 19 types of grass seed is taken and gives a sample mean of 36 days. Find the confidence interval for the population mean with a 99% confidence level 20.10 20.125 20.01 1.282 1.645 1.960 2.326 2.576 You may use a calculator or the common z values above. . Round the final answer to two decimal places. Provide your answer below

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