
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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In a random survey of 1500 adults in California and 1000 in Oregon, you find that percentage of smokers is 15.2% and 18.5% respectively. At a 1% significance level, is there enough evidence to conclude that the proportion of adults who are smokers is lower in California than in Oregon?
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