0 90 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 11 Relative Frequency Cumulative Frequency 0.1222 11 1 0.0556 16 2 13 0.1444 29 3 8 37 4 13 0.1444 50 5 14 0.1556 6 14 0.1556 78 7 12 0.1333 90 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 7 times per week? %

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