21-22 Statistics Per 6 Burns Kimberly Perlik 06/16/22 8:34 AM HW Score: 31.62%, 10.75 of 34 points Homework: Section 7.3 Homework (Copy) Question 5, 7.3.23-T Part 3 of 5 Points: 1 of 5 Save A county is considering rasing the speed limit on a road because they claim that the mean speed of vehicles is greater than 40 miles per hour. A random sample of 20 vehicles has a mean speed of 42 miles per hour and a standard deviation of 4.5 miles per hour. At 40 Ha: H = 40 O C. Ho: H = 40 O D. Ho: H 2 40 Ha: H # 40 Ha: H