D Question 2 1.5 pts Research Question: Is the average number of people who visit the ER every day changing? It is known the average number of people who visit the ER is 215 with a standard deviation of 30. A sample is collected of 15 hospitals. The average number of people who came to the ERs per day was 235, with a sample standard deviation of 40. Conduct a hypothesis test based on the research question presented. Using an alpha of .05 O Reject the null hypothesis Reject the alternative hypothesis O Fail to reject the alternative hypothesis O Fail to reject the null hypothesis