2 points You have been consuming tires at a rate of 52 per week with a standard deviation of 4 . Average lead time for tires you need is 17 week with a standard deviation of 3 weeks. At what inventory level do you order to ensure a 60% service level? Type your answer... 2 points You have been consuming tires at a rate of 52 per week with a standard deviation of 4 . Average lead time for tires you need is 17 week with a standard deviation of 3 weeks. At what inventory level do you order to ensure a 60% service level? Type your