Homework: Section 14.3 Homework Question 11, 14.3.39 HW Score: 0%, 0 of 15 points O Points: 0 of 1 Save A particular brand of laptop was sampled with regard to the time it can be used before it requires recharging. The mean time was calculated to be 7.8 hours with a standard deviation of 1.81 hours. Calculate the coefficient of variation for this example. CV=1% (Round to two decimal places as needed.)