Use the normal distribution to the right to answer the questions. Standardized Test Composite Scores (a) What percent of the scores are less than 19? H = 20.6 (b) Out of 1500 randomly selected scores, about how many would be expected to be greater than 21? 0 = 5.4 19 21 Score (a) The percent of scores that are less than 19 is%. (Round to two decimal places as needed.)