In late 2007, it was reported that 79% of U.S. adults owned a cell phone (data extracted
Question:
a. 8 own a cell phone?
b. At least 8 own a cell phone?
c. All 10 own a cell phone?
d. If you selected the sample in a particular geographical area and found that none of the 10 respondents owned a cell phone, what conclusion might you reach about whether the percentage of cell phone owners in this area was 85%?
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Related Book For
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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