Before an intensive TV advertising campaign, the producers of Nike athletic shoes find that 33 of
Question: Before an intensive TV advertising campaign, the producers of Nike athletic shoes
find that 33 of a random sample of 211 upper-income adults were aware of their new
leisure shoe line. A second random sample of 386 such adults is taken after the
campaign. Now 106 of the persons sampled can identify the new line. Give a 99%
confidence interval for the increase in the proportion of upper-income adults showing
brand awareness.
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Solution: The downloadable solution consists of 1 page
Solution Format: Word Document
Solution Format: Word Document
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