Answer:
(a) 44%
(b) 32%
Explanation:
(a) In order to find the percentage of students that prefer comedies, we can add up divide the sum of the total number of students who prefer comedies (Twice/month or less + Thrice/month or more) by the total number of students.
Then, we can multiply this number by 100 to find the percentage:

(b) To find the percentage of students who visit the movies three times a month or more, we can divide the sum of the total number of students who visit the movies three times a month or more by the total number of students.
Like before, we can multiply this number by 100 to find the percentage: