Quiz: Business Stats Final If we are O 1.94 Question 2 3 pts TABLE 9-7 A major h

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Quiz: Business Stats Final If we are O 1.94 Question 2 3 pts TABLE 9-7 A major home improvement store conducted its biggest brand recognition campaign in the company's history. A series of new television advertisements featuring well-known entertainers and sports figures were launched. A key metric for the success of television advertisements is the proportion of viewers who "like the ads a lot: A study of 1,189 adults who viewed the ads reported that 230 indicated that they "like the ads a lot. The percentage of a typical television advertisement receiving the-like the ads a lot. score is believed to be 22%. Company officials wanted to know if there is evidence that the series of television advertisements are less successful than the typical ad L.e. if there is evidence that the population proportion of "like the ads a lot for the company's ads is less than 0.22) at a 0.01 level of significance. Referring to Table 9-7, the parameter the company officials is interested in is te proportion of viewers who "like the ads a lot". the total number of viewers who 'ike the ads a lot. the mean number of viewers who "like the ads a lot the mean number of company officials who "like the ads a lot Question 3 3 pts

Explanation / Answer

Here we are testing whether the population proportion of : " like the ads a lot " for the company's ads is less than 0.22, therefore the company officials here are interested in the parameter:
the proportion of viewers who " like the ads a lot " Therefore a is the correct answer here.

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