Question 7 iiTo 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- begin array - c-c- hline Opinion-Number of students IWhline like-135dislike-65WhlineFind the probability that a student chosen at randomii does not like it

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Standard VII

Mathematics

Experimental Probability

Question 7 ii...

Question

Question 7 (ii)
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.
$\begin{matrix} O p i n i o n & N u m b e r o f s t u d e n t s l i k e & 135 d i s l i k e & 65 \end{matrix}$
Find the probability that a student chosen at random
(ii) does not like it

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Solution

Total number of students =135+ 65 =200
(ii) Number of students who do not like statistics= 65
$P (S t u d e n t s w h o d o n o t l i k e s t a t i s t i c s) = \frac{65}{200} = \frac{13}{40}$

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Question 7 (ii)
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.
$\begin{matrix} Opinion & Number of students like & 135 dislike & 65 \end{matrix}$
Find the probability that a student chosen at random
(ii) does not like it

Question 7 (i)
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.
$\begin{matrix} Opinion & Number of students like & 135 dislike & 65 \end{matrix}$
Find the probability that a student chosen at random
(i) likes statistics

Q. 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	Number of students
Like Dislike	135 65

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

Opinion	No. of students
like	$135$
dislike	$65$

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.

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

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

$\begin{matrix} Opinion & Like & Dislike Number of students & 135 & 65 \end{matrix}$

Find the probability that a student is chosen at random

(i) likes Mathematics (ii) does not like it.

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Question 7 (ii) 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. OpinionNumber of studentslike135dislike65 Find the probability that a student chosen at random (ii) does not like it

Total number of students =135+ 65 =200 (ii) Number of students who do not like statistics= 65 P(Students who do not like statistics)=65200=1340

Total number of students =135+ 65 =200
(ii) Number of students who do not like statistics= 65
$P (S t u d e n t s w h o d o n o t l i k e s t a t i s t i c s) = \frac{65}{200} = \frac{13}{40}$