Question: 41. A researcher wants to test whether a drinking a new protein shake daily changes cholesterol levels. It is not known whether the protein drink

41. A researcher wants to test whether a drinking a new protein shake daily changes cholesterol levels. It is not known whether the protein drink will increase or decrease cholesterol. In the general population, cholesterol is normally distributed with = 200 and [ = 30. A person who has followed the protein shake regimen for two months is randomly selected, and his cholesterol is 135. Using the .05 level of significance, what should the researcher conclude? Use the five steps of hypothesis testing. "NOTICE: THIS IS A SAMPLE SIZE OF 1

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