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SCENARIO 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 at a 0.01 level of significance.
-Referring to Scenario 9-7,state the null hypothesis for this study.
Brachialis
A muscle in the upper arm that flexes the elbow joint.
Rectus Abdominis
A long muscle in the front of the abdomen that assists in breathing and stabilizes the core during movements.
External Oblique
A muscle in the abdomen that forms part of the abdominal wall, helping in the rotation and lateral flexion of the trunk.
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