F #8 CCaseGroup f (2) Funccu.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_266592_1&course_id=_2799078_1&content_id=_4543067_1&stepWeeklyCase =REI Westion Completion Status:11/2 f (5) FaOa. H0: 022.05.Ob. HO: s22.05.Black! Bb ThreaOc. H0: s2 ≤.05.Od. H0: 02 s.05.CH 14QUESTION 8The bottler of a certain soft drink claims their equipment to be accurate and that the variance of all filled bottles is at most .05. The null hypothesis in a test to confirmthe claim would be written asBlack! Bb Exam Bb Ta x CQUESTION 9A sample of 20 cans of tomato juice showed a standard deviation of 4 ounces. A 95% confidence interval estimate of the variance for the population isO a 2313 to .8533Ob. 2224 to.7924.Oc..3042 to .5843.O d..0925 to 3413.QUESTION 10The manager of the service department of a local car dealership has noted that the service times of a sample of 16 new automobiles has a standard deviation of 5minutes. A 95% confidence interval estimate for the variance of service times for all their new automobiles isa. 13.642 to 59.885.h 946 to 34.09

8) The claim is that the variance of all filled bottles is at most 0.05. At most can be written as less than or equal to. Here, the claim can be written as σ2≤0.05. Thus, the null hypothesis is: H0: σ2≤0.05 Therefore, the answer is option d) H0: σ2≤0.05