Question 4 20 points A study showed that the mean cost of a car repair at a shop was 248 with a standard deviation of 96 and the data was approximately normally distributed If a customer had a bill that was 370 at the shop what would be the z score associated with 370 days O 0 786 z 1 105 Oz 1 105 O z 1 271 Oz 1 271 Question 5 20 points A study was being conducted about birth weights of babies at a local hospital and found the average to be 7 6 pounds with a standard deviation of 1 3 pounds the distribution was Many birthe