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 Frequency Relative Frequency Cumulative Frequency O 0. 1769 18 41 11 0.0846 52 15 0.1154 67 4 9 0.0692 76 5 18 0. 1385 94 6 19 0.1462 113 7 17 0.1308 130 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week