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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Refer to Exercise 10.32. Construct a 95% lower confidence bound for the proportion of the nation’s adults who think the quality of the environment is fair or poor.
a How does the value p = .50 compare to this lower bound?
b Based on the lower bound in part (a), should the alternative hypothesis of Exercise 10.32 be accepted?
c Is there any conflict between the answer in part (b) and your answer to Exercise 10.32?
Exercise 10.32
In March 2001, a Gallup poll asked, “How would you rate the overall quality of the environment in this country today—as excellent, good, fair or poor?” Of 1060 adults nationwide, 46% gave a rating of excellent or good. Is this convincing evidence that a majority of the nation’s adults think the quality of the environment is fair or poor? Test using α=.05
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