Can someone please answer the last question

8.1.27 Question Help Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more than Region 1 Region 2 $4000? To decide, you select a random sample of statisticians from each region. The results of each survey are shown to the right. At a = 0.10, what should you conclude? X1 = $67,400 X2 = $66,000 61 =$8950 62 = $9025 01 = 46 n2 = 40 Click here to view page 1 of the standard normal distribution table Click here to view page 2 of the standard normal distribution table (Round to two decimal places as needed. Use a comma to separate answers as needed.) Determine the rejection region. Select the correct choice below, and, if necessary, fill in any answer boxes to complete your choice. (Round to two decimal places as needed.) O A. z 1.28 O C. z Calculate the standardized test statistic for 1 - H2- z = (Round to two decimal places as needed.) More X Enter your answer in the answer box and then click Check Answer. ? part emaining Clear All Final Check