PT Modern Electric Car is a company that produces electric cars. The company is conducting tests to test the endurance of electric car batteries for one time charging. Batteries that were tested totaled 100 units, based on the test it was found that the average endurance of the battery's mileage for one charging (charging) was 2000 Kilometers. The data has a standard deviation of 110 Kilometers. Based on this information, answer the following questions: A. Make an interval estimation of the battery's mileage resistance using a confidence level of 95%. B. Give your analysis related to the test that has been done