Question

To know the opinion of the students about the subject statistics, a survey of 200 students was conducted. The data is recorded in the following table:

Opinion	No. of students
like dislike	135 65

Find the probability that a student chosen at random.
(i) likes statistics,
(ii) does not like it.

Answer 1

Total number of students = 135 + 65 = 200 

n(S) = 200 

(i) Number of students who like Statistics = 135 

n(A) = 135

(ii) Number of students who does not like Statistics = 65 

n(B) = 65