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Q.

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

Opinion
no. of students
Like
135
Dis likes
65

Find the probability that a student chosen at random :-

(i) Likes statistics

(ii) Does not like it

Class:10

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a

(i) 13/40, (ii) 19/40

b

(i) 17/40, (ii) 29/40

c

(i) 27/40, (ii) 13/40

d

None of these

answer is C.

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Detailed Solution

Total number of students = 200
Now;
(i) Number of students who like statistics = 135
∴ The probability that a student likes that subject =
(ii) Number of students who dislikes statistics = 65
∴ The probability that a student dislikes statistics =

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