The grade distribution for students in the introductory statistics class at a local community college are displayed in the table. In this table, A = 4, B = 3, etc. Let X represent the grade for a randomly selected student. A 2-column table with 5 rows. Column 1 is labeled grade with entries 4, 3, 2, 1, 0. Column 2 is labeled probability with entries 0.43, 0.31, 0.17, 0.05, 0.04.

What is the probability that a randomly selected student earned a C or better?

0.17
0.26
0.48
0.91