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Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021 Exercise 151
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. Let
be the sample proportion of adults who often purchase used instead of new items.
(a) Is it appropriate to approximate the
distribution with a normal distribution Explain.
(b) What are the values of
and
be the sample proportion of adults who often purchase used instead of new items.(a) Is it appropriate to approximate the
distribution with a normal distribution Explain.(b) What are the values of
and Explanation
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Verified
(a) A binomial distribution has n = 75, ...
Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
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