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Suppose x has a mount-shaped distribution with = 9. A random sample of size 36 has sample mean 20. a) Is it appropriate to use
Suppose x has a mount-shaped distribution with = 9. A random sample of size 36 has sample mean 20. a) Is it appropriate to use a normal distribution to compute a confidence interval for the population mean ? Explain. ___________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ b) Find a 95% confidence interval for . c) Explain the meaning of the confidence interval you computed
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Precalculus
Authors: Michael Sullivan
9th edition
321716835, 321716833, 978-0321716835
