QUESTION point Sere Based on recent analysis conducted by the Customer Service Department (CSD), the mean waiting time of customers at ABC Bank was at least 8 minutes. The bank management announced that significant changes have been implemented to reduce the waiting time. Recently, the CSD Surveyed 36 customers and found that the average waiting time was 7.5 minutes with a standard deviation of 1.25 minutes. At 5% level of significance, test to determine whether the latest changes were efficient. State the hypotheses, compute the test statistic (Round to one decimal ( For the form ALT.F10 POATEN.F10 Mad B TV5 Paragraph 1 2 @A 1402 T. XOa 14 + B. (1) O WOWOS POWERED BY TNT QUESTION point Sere Based on recent analysis conducted by the Customer Service Department (CSD), the mean waiting time of customers at ABC Bank was at least 8 minutes. The bank management announced that significant changes have been implemented to reduce the waiting time. Recently, the CSD Surveyed 36 customers and found that the average waiting time was 7.5 minutes with a standard deviation of 1.25 minutes. At 5% level of significance, test to determine whether the latest changes were efficient. State the hypotheses, compute the test statistic (Round to one decimal ( For the form ALT.F10 POATEN.F10 Mad B TV5 Paragraph 1 2 @A 1402 T. XOa 14 + B. (1) O WOWOS POWERED BY TNT