110 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		0.1455	16
1	17	0.1545	33
2	9		42
3	8	0.0727	50
4	10	0.0909	60
5	20	0.1818
6	16	0.1455	96
7	14	0.1273	110

a. Complete the table (Use 4 decimal places when applicable)

b. What is the cumulative relative frequency for flossing 7 times per week? %