The scores of a standardized exam is normally distributed with a mean score of 112 and a standard deviation of 8. Use the 68-95-99.7 rule to answer the following. A. The lowest score of the middle 99.7% is: B. The highest score of the middle 99.7% is: C. What percent of students scored at least 104? D. If 2400 people took the exam how many should you expect to score above 120? Show work