C 2500 - 002 Summer 2022 Rita Yousif 08/10/22 12:10 PM Question 9, 8.2.17 HW Score: 75.78%, Homework: Homework 8 Part 5 of 8 15.16 of 20 points Points: 0.33 of 1 Save A personnel director in a particular state claims that the mean annual income is greater in one of the state's counties (county A) than it is in another county (county B). In County A, a random sample of 18 residents has a mean annual income of $41,800 and a standard deviation of $8100. In County B, a random sample of 8 residents has a mean annual Income of $39,500 and a standard deviation of $5500. At a = 0.10, answer parts (a) through (e). Assume the population variances are not equal. If convenient, use technology to solve the problem. The null hypothesis, Ho, is [1 S u2 . The alternative hypothesis, Ha, is 1 > H2 Which hypothesis is the claim? The alternative hypothesis, Ha The null hypothesis, Ho (b) Find the critical value(s) and identify the rejection region(s). Enter the critical value(s) below. .415 Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) Select the correct rejection region(s) below. A. - to to O C. t> to O D. t