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A company is willing to renew its advertising contract with a local radio station only if

A company is willing to renew its advertising contract with a local radio station only if

 A company is willing to renew its advertising contract with a local radio station only if the station can prove that more than 20% of the residents of the city have heard the ad and recognize the company's product. The radio station conducts a random phone survey of 400 people. a. What are the hypothesis b The station plans to conduct this test using 10% level of signficance, but the company wants the significance level lowered to 5 %. Why c. What is meant by the power of this test d For which level of significance wil the power of this test be higher and why e They finally agree to use O.O5, but the company proposes that the station call 600 people instead of 400. Will this make the risk of type two error higher or lower explain

Abhinav 02-Dec-2019

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