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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Green Behavior: Purchasing Habits A recent Harris Poll on green behavior showed that 25% of adults often purchase used items instead of new ones. Consider a random sample of 75 adults. LetÂ
be the sample proportion of adults who often purchase used instead of new items.
(a) Is it appropriate to approximate theÂ
distribution with a normal distribution? Explain.
(b) What are the values of μpˆ and σpˆ?
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