Use the normal distribution to the right to answer the questions. Standardizesdclf\"; Composite 1 (a) What percent of the scores are less than 19? (b) Out of 1500 randomly selected scores, about how many would be expected to be greater than 21'? 19 21 Score E (a) The percent of scores that are less than 19 is D%. (Round to two decimal places as needed.) (b) About U scores would be expected to be greater than 21. (Round to the nearest whole number as needed.)