Home
Class 9
MATHS
Distance (in km) of 40 engineers from th...

Distance (in km) of 40 engineers from their place of residence to their place of work were found as follows.

What is the empirical probability that an engineer lives.
less than 7 km from her place of work ?

Text Solution

Verified by Experts

The correct Answer is:
`9/40`
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    SUBHASH PUBLICATION|Exercise EXERCISE 4.5|37 Videos
  • QUADRILATERALS

    SUBHASH PUBLICATION|Exercise EXERCISE 7.2|10 Videos

Similar Questions

Explore conceptually related problems

Distance (in km) of 40 engineers from their place of residence to their place of work were found as follows. What is the empirical probability that an engineer lives. within 1/2 km from her place of work ?

Distance (in km) of 40 engineers from their place of residence to their place of work were found as follows. What is the empirical probability that an engineer lives. more than or equal to 7 km from her place of work ?

The distance (in km) of 40 engineers from their residence to their place of work were found as follows : {:(5,3,10,20,25,11,13,7,12,31),(19,10,12,17,18,11,32,17,16,2),(7,9,7,8,3,5,12,15,18,3),(12,14,2,9,6,15,15,7,6,12):} Construct a grouped frequency distribution table with class size for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation ?

A person cannot see the object distinctly, when placed at a distance less than 100 cm. What is the power of the spectacles that he should use to see clearly the objects placed at 25 cm ?

Two electrically charged particles , having charges of different magnitudes , when placed at a distance 'd' from each other , experience a force of attraction 'F' . These two particles are put in contact and again placed at the same distance from each other. What is the nature of new force between them ?

From the pair of linear equations for the following problems and find their solutions by substitution method. The taxi charges in a city consist of a fixed charge together with the charge for the distance covered. For a distance of 10km the charge paid is Rs 105 and for a journey of 15km, the charge paid is Rs 155. What are the fixed charge and the charge per km? How much does a person have to pay for travelling a distance of 25km.

SUBHASH PUBLICATION-PROBABILITY -EXERCISE 15.1
  1. 1500 families with 2 children were selected randomly, and the followin...

    Text Solution

    |

  2. In a particular section of Class IX, 40 students were asked about the ...

    Text Solution

    |

  3. Three coins are tossed simultaneously 200 times with the following fre...

    Text Solution

    |

  4. An organisation selected 2400 families at random and surveyed them to ...

    Text Solution

    |

  5. An organisation selected 2400 families at random and surveyed them to ...

    Text Solution

    |

  6. An organisation selected 2400 families at random and surveyed them to ...

    Text Solution

    |

  7. An organisation selected 2400 families at random and surveyed them to ...

    Text Solution

    |

  8. An organisation selected 2400 families at random and surveyed them to ...

    Text Solution

    |

  9. A teacher analyses the performance of two sections of students in a ma...

    Text Solution

    |

  10. A teacher analyses the performance of two sections of students in a ma...

    Text Solution

    |

  11. To know the opinion of the students about the subject statistics , a s...

    Text Solution

    |

  12. To know the opinion of the students about the subject statistics , a s...

    Text Solution

    |

  13. Distance (in km) of 40 engineers from their place of residence to thei...

    Text Solution

    |

  14. Distance (in km) of 40 engineers from their place of residence to thei...

    Text Solution

    |

  15. Distance (in km) of 40 engineers from their place of residence to thei...

    Text Solution

    |

  16. Activity : Note the frequency of two - wheelers , three - wheelers and...

    Text Solution

    |

  17. Activity : Ask all the students in your class to write a 3 - digit num...

    Text Solution

    |

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

    Text Solution

    |

  19. In , you were asked to prepare a frequency distribution table regardin...

    Text Solution

    |

  20. In , you were asked to prepare a frequency distribution table regardin...

    Text Solution

    |