A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 3, 10, 15, 4, and 3 5 respectively. Using percentages, what are the relative frequencies of the five classes? Complete the table. Grade Frequency Relative frequency A 3 1% B 10 1% K C 15 1% D 4 % 3 1% (Round to two decimal places as needed.)