Samantha is preparing to do a survey of the language classes taken by ninth and tenth graders at her high school. Each student in ninth and tenth grade takes one language class. From school records, she knows there are 158 students in the ninth grade, as shown in the table. Language
Grade French Mandarin Spanish Total
9 r s t 158
10 x y z
Total

Based on school records, Samantha finds out that there are 65 students in ninth grade who take Spanish and 35 students in ninth grade that take French. Find the conditional probability that a student takes Mandarin, given that the student is a ninth grader. Round to the nearest tenth.

The probability that a ninth grader is taking Mandarin is about
%.