Participation in Market Research Survey An advertising
Chapter 11, Problem 24(choose chapter or problem)
Participation in Market Research Survey An advertising firm has decided to ask 92 customers at each of three local shopping malls if they are willing to take part in a market research survey. According to previous studies, 38% of Americans refuse to take part in such surveys. The results are shown here. At \(\alpha = 0.01\), test the claim that the proportions of those who are willing to participate are equal.
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