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Suppose x has a normal distribution with =6. A random sample of size 16 has a sample mean 50. A) Check requirements. Is it appropriate

Suppose x has a normal distribution with =6. A random sample of size 16 has a sample mean 50. A) Check requirements. Is it appropriate to use a normal distribution to compute a confidence interval for the population mean ? Explain. B) Find a 90% confidence level for . C) Interpretation. Explain the meaning of the confidence level you computed. (Brase & Brase, 2015, p. 370)

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