The mean family income in Wisconsin, according to the 2011 data, is about $77,531, with a standard
Question:
a. Imagine that you are taking a subsample of 200 state residents. What is the probability that your sample mean is between $71,000 and $77,531?
b. For this same sample size, what is the probability that the sample mean exceeds $85,000?
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Related Book For
Social Statistics For A Diverse Society
ISBN: 9781483333540
7th Edition
Authors: Chava Frankfort Nachmias, Anna Leon Guerrero
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