130 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week 0 Frequency Relative Frequency 0.1769 Cumulative Frequency 18 41 2 11 0.0846 3 15 0.1154 4 9 0.0692 5 18 0.1385 6 19 0.1462 113 7 17 0.1308 130 8eg 67 76 94 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week