Question: Suppose x has a normal distribution with = 6. A random sample of size 16 has sample mean 50. (a) Is it appropriate to

Suppose x has a normal with σ = 6. A random sample of size 16 has sample mean 50.
(a) Is it appropriate to use a normal to compute a confidence interval for the population mean μ? Explain.
(b) Find a 90% confidence interval for μ.
(c) Explain the meaning of the confidence interval you computed.

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