E Homework: HW 8 Question 3, 10.1.8 HW Score: 53.17%, 45.2 of 85 points Part 5 of 8 Points: 0.56 of 5 Save The national distribution of fatal work injuries in a country is shown in the table to the right under National %. You believe that Cause National % Western Frequency the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries Transportation 44% 2889 occurring in that region. At a = 0.10 can you conclude that the distribution of fatal work injuries in the west is different from the Equipment 17% 1159 national distribution? Complete parts a through d below. Assaults 15% 806 Falls 14% 746 Harmful fumes 8% 534 Fires 2% 97 A. The distribution of fatal work injuries in the west differs from the expected distribution. X B. The distribution of fatal work injuries in the west is the same as the expected distribution. O C. The distribution of fatal work injuries in the west is 44% transportation, 17% equipment, 15% assaults, 14% falls, 8% harmful fumes, and 2% fires. Which hypothesis is the claim? X Ho Ha b. Determine the critical value, X , and the rejection region. Xo =(Round to three decimal places as needed.)=Homework: HW 8 Question 9, 10.2.19 HW Score: 53.17%, 45.2 of 85 points Part 3 of 6 Points: 2.5 of 5 Save You want to determine whether the reasons given by workers for continuing their education is related to job type. In the study, you randomly collect the data shown Reason in the contingency table. At a = 0.01, can you conclude that the reason and type of worker are dependent? Complete parts (a) through (d). Type of workerProfessional Personal Both Technical 48 40 32 Other 40 24 34 (a) Identify the claim and state the null and alternative hypotheses. Ho: Reasons are independent of the type of worker. Ha: Reasons are dependent on the type of worker. The alternative hypothesis is the claim. (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. What are the degrees of freedom? d.f. = 2 Find the critical value. (Round to three decimal places as needed.)