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? -20.9 (b) Out of 1500 randomly selected scores, about how many would be expected to be greater than 21? 0-53 19 21 Score (a) The percent of scores that are less than 19 is% (Round to two decimal places as needed.)