Question: Texas Health Harris Methodist measures average wait time for patients in the ER is 45 minutes. The average wait time for the ER is normally

Texas Health Harris Methodist measures average wait time for patients in

Texas Health Harris Methodist measures average wait time for patients in the ER is 45 minutes. The average wait time for the ER is normally distributed. The hospital decided to check if this is still true, the quality control staff recorded 45 observations of the wait time of ER patients. Using the observations below, is there evidence that the average wait time for ER patients is not 45 minutes? Use a level of significance of 05

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2. The purpose of the acquisition of the information.

1. What is the meaning of the information we are collecting?

3. How much information do we need to collect?