A sample of 213 newspaper tire ads from several Sunday papers showed that 98 contained a low-price
Question:
(a) Assuming that this was a random sample, construct a 95 percent confidence interval for the proportion of all Sunday newspaper tire ads that contain a low-price guarantee.
(b) Is the criterion for normality of p met?
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Related Book For
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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