The Introductory Biology Class at State University Is Conducting a Study

question 42

Short Answer

The introductory biology class at State University is conducting a study of water quality in their local community.The population mean of a certain beneficial bacteria found in drinking water $\mu=$ 100, with $\sigma_{x}=25$ The bacteria counts from the community are given below.Use a two-tailed rejection region with a total area of 0.01.What critical value should you use?

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