70 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 0 7 0.1 7 11 0. 1571 18 14 0.2 32 IN ctor W 38 4 11 0. 1571 49 5 7 0. 1 56 6 8 0. 1143 64 6 0.0857 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 1 time per week? %