Suppose x has a normal distribution with = 6. A random sample of size 16 has

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Suppose x has a normal distribution with σ = 6. A random sample of size 16 has sample mean 50.
(a) Is it appropriate to use a normal distribution 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.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Understanding Basic Statistics

ISBN: 9781111827021

6th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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