Suppose a class' test scores are approximately bell-shaped, centered at 82.55 with a standard deviation of 6.33. The five-number summary for the scores is given below: Min = 68.76 Q1 = 80.3 Median = 82.56 Q3 = 85.45 Max = 95.88 (c) Approximately what percent of test scores fall between 69.89 and 95.21 _________