Home
Class 9
MATHS
1500 families with 2 children were selec...

1500 families with 2 children were selected randomly, and the following data were recorded :
`{:("Number of girls in a family",2,1,0),("Number of families",475,814,211):}`
Compute the probability of a family , chosen at random, having
2 girls

Text Solution

Verified by Experts

The correct Answer is:
`19/60`
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

1500 families with 2 children were selected randomly, and the following data were recorded : {:("Number of girls in a family",2,1,0),("Number of families",475,814,211):} Compute the probability of a family , chosen at random, having No girl

An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family . The information gathered is listed in the table below: Suppose a family is chosen . Find the probability that the family chosen is earning Rs 10000 - 13000 per month and owning exactly 2 vehicles.

An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family . The information gathered is listed in the table below: Suppose a family is chosen . Find the probability that the family chosen is earning Rs 13000-16000 per month and owning more than 2 vehicles.

An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family . The information gathered is listed in the table below: Suppose a family is chosen . Find the probability that the family chosen is earning Rs 16000 or more per month and owning exactly 1 vehicle.

An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family . The information gathered is listed in the table below: Suppose a family is chosen . Find the probability that the family chosen is owning not more than 1 vehicle.

An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family . The information gathered is listed in the table below: Suppose a family is chosen . Find the probability that the family chosen is earning less than Rs 7000 per month and does not own any vehicle.

A number is chosen at random from -3,-2,-1,0,1,2 and 3. what is the probability that the square of this number is less than or equal to 1 ?

A number x is selected at random from the numbers 1,2,3, and 4. another number y is selected at random from numbers 1,4,9, and 16. find the probability that product of x and y is less than 16.

SUBHASH PUBLICATION-PROBABILITY -EXERCISE 15.1
  1. In a cricket math , a batswoman hits a boundary 6 times out of 30 ball...

    Text Solution

    |

  2. 1500 families with 2 children were selected randomly, and the followin...

    Text Solution

    |

  3. 1500 families with 2 children were selected randomly, and the followin...

    Text Solution

    |

  4. 1500 families with 2 children were selected randomly, and the followin...

    Text Solution

    |

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

    Text Solution

    |

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

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |