To improve its performance, the university writing center surveyed 60 students who came for tutoring. The table shows for how many times they came to the writing center for tutoring the last year. This is a sample of students.

Class	Frequency
0 - 2	26
3 - 5	20
6 - 8	10
9 - 11	4
TOTAL	60

What proportion of students came to the writing center 6 times?

Group of answer choices

0.153

0.256

0.233

0.326