Jeanine is taking two online classes. The first class is business accounting and the second class is a chemistry class. On the midterm Jeanine scored an 87 in the business accounting class where the class mean was 78 and the standard deviation was 7.7. She scored 80 on the chemistry midterm where the class mean was 61 and the standard deviation was 8.1. a) For each of her classes, convert her midterm score into a z-score. You can round to 2 decimal places