STATISTICAL TECHNIQUES IN BUS.+ECON.
STATISTICAL TECHNIQUES IN BUS.+ECON.
18th Edition
ISBN: 9781260239478
Author: Lind
Publisher: RENT MCG
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Chapter 8, Problem 34CE

a.

To determine

Find the standard error of the mean.

b.

To determine

Find the expected shape of the distribution of the sample mean.

c.

To determine

Find the likelihood of selecting a sample with a mean of at least $167,000.

d.

To determine

Find the likelihood of selecting a sample with a mean of more than $155,000.

e.

To determine

Find the likelihood of selecting a sample with a mean of more than $155,000 and less than $167,000.

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why the answer is 3 and 10?
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