The administrator at a local hospital states that on

Last updated: 12/8/2023

The administrator at a local hospital states that on weekends the average wait time for emergency room visits is 10 minutes Based on discussions on the length of wait time to be seen in the ER over a weekend an employee disputes the administrator s claim The employee decides to test his hypothesis Over the course of a few weekends the employee records the wait time for 40 randomly selected patients The average wait time for these 40 patients is 11 minutes with a standard deviation of 3 minutes Does the employee have enough evidence to support his claim that the average ER wait time exceeds 10 minutes He tests at a 5 level of significance If the null hypothesis is rejected then the employee s conclusion is there is sufficient evidence to support the claim that the ER wait times exceed 10 minutes there is not sufficient evidence to support the claim that the ER wait times exceed 10 minutes Othere is sufficient evidence to warrant rejection of the original claim Othere is not sufficient evidence to warrant rejection of the original claim