Home
Class 9
MATHS
To know the opinion of the students a...

To know the opinion of the students about Mathematics, a survey of 200 students was conducted. The data is recorded in the following table: Opinion: Like Dislike No. of students 135 65 Find the probability that a student chosen at random (i) like Mathematics  (ii) does not like it.

Text Solution

Verified by Experts

Total no. of students=`200`
No. of students who like mathematics=`135`
No. of students who dilike mathematics=`65`
(i)P(Like mathematics)=`135/200=67.5/100=0.675`
(ii)P(Dislike mathematics)=`65/200=32.5/100=0.325`
Promotional Banner

Topper's Solved these Questions

  • NUMBER SYSTEM

    RD SHARMA|Exercise All Questions|130 Videos

  • QUADRILATERALS

    RD SHARMA|Exercise All Questions|251 Videos

Similar Questions

Explore conceptually related problems

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.

Know the opinion of the students about Mathematics, a survey of 200 students was conducted. The data is recorded in the following table: Opinion: Like Dislike Number of Students: 135 65 Find the probability that a student chosen at random (i) likes Mathematics (ii) does not like it.

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",135),("Dislike",65):} Find the probability that a student chosen at random Likes statistics

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",135),("Dislike",65):} Find the probability that a student chosen at random Does not like it.

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 does not like it.

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 likes statistics

To know the opinion of the students about the subject Sanskrit , a survey of 200 students was obtained . The data is recorded as under . What is the probability that a student chosen at random does not like it ?

To know the opinion of 35 students about sixth subject as automobile engineering or financial management a survery was done . The data is recorded in the following table in favour of choosing automobile engineering . No of students like 20 Dislike 15 Find the probability that a student will opt. (i) automobile engineering (ii) Financial management

RD SHARMA-PROBABILITY-All Questions
  1. In a cricket match, a batsman hits a boundary 6 times out of 30 bal...

    Text Solution

    |

  2. The percentage of marks obtained by a student in monthly unit tests...

    Text Solution

    |

  3. To know the opinion of the students about Mathematics, a survey of ...

    Text Solution

    |

  4. The blood The blood groups of 30 students of class IX are recorded ...

    Text Solution

    |

  5. Eleven bags of wheat flour, each marked 5kg, actually contained the...

    Text Solution

    |

  6. Following table shows the birth month of 40 students of class IX ...

    Text Solution

    |

  7. Given below is the frequency distribution table regarding the conce...

    Text Solution

    |

  8. A company selected 2400 families at random and survey them to determi...

    Text Solution

    |

  9. The following table gives the life time of 400 neon lamps: Life ...

    Text Solution

    |

  10. Given below is the frequency distribution of wages (in Rs.) of 30 w...

    Text Solution

    |

  11. Define a trial.

    Text Solution

    |

  12. Define an elementary event.

    Text Solution

    |

  13. Define an event

    Text Solution

    |

  14. Define probability of an event.

    Text Solution

    |

  15. A bag contains 4 white balls and some red balls. If the probability...

    Text Solution

    |

  16. A die is thrown 200 times. If the probability of getting an even num...

    Text Solution

    |

  17. Three coins are tossed simultaneously 200 times with the following ...

    Text Solution

    |

  18. What is the probability of getting at least two heads?

    Text Solution

    |

  19. The probability of an impossible event is 1       (b)  0    (c) ...

    Text Solution

    |

  20. The probability of a certain event is 0       (b)  1     (c)  gr...

    Text Solution

    |