Answer:
(a) 26 %
(b) 48%
Step-by-step explanation:
The total number of students is


(a).
The total number of students that go to the movies three times or more is

Therefore, the percentage is


(b).
The total number of students that prefer action movies is

therefore, the percentage is

Hence, to summerise:
(a) 26 %
(b) 48%