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Which range of values is likely to contain the population parameter

Which range of values is likely to contain the population parameter

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An internet supplier of refilled ink jet printer cartridges sold cartridges to 30,000 customers over the past two months. A random sample of 1000 of those customers revealed that 180 were not happy with their purchase. The margin of error was 2%. Which range of values is likely to contain the population parameter?
A) 29,000 to 31,000
B) 16% to 20%
C) 160 to 200
D) 4800 to 6000 

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