28- To know the opinion of the student about the subject statistics, a survey of 250 students
was conducted. The data is recorded in the following table.
Opinion
Number of Students
Like
135
Dislike
115
Find the probability that a student chosen at random
(i) likes statistics
(ii) does not like it.
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Answer:
(i)
Solution: number of students students like statistics = 135
total number of students = 250
probability of likes statistics = number of students like statistics/total number of students
probability = 135 / 250
= 27 / 50
(ii)
Solution: number of students dislike statistics = 115
total number of students = 250
probability of dislikes statistics = number of students dislike statistics / total number of students
probability = 115 / 250
= 23 / 250
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