Home
Class 11
MATHS
An experiment consists of boy –girl comp...

An experiment consists of boy –girl composition of families with 2 children. i.                What is the sample space if we are interested in  knowing whether it is a boy or girl in the order of their births? ii.              What is the sample space if we are interested in the number of boys in a family?

Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS

    RD SHARMA ENGLISH|Exercise All Questions|291 Videos
  • QUADRATIC EQUATIONS

    RD SHARMA ENGLISH|Exercise All Questions|85 Videos

Similar Questions

Explore conceptually related problems

A family has two children, what is the probability that both of the children are boys, given that at least one of them is a boy?

A coin is tossed. If the result is a head, a die is thrown. If the die shows up an even number, the die is thrown again. What is the sample space for this experiment.

Describe the sample space for the indicated experiment : 2 boys and 2 girls are in Room X, and 1 boy and 3 girls in Room Y. Specify the sample space for the experiment in which a room is selected and then a person.

A com is tossed. If the outcome is a head, a die is thrown. If the die shows up an even number, the die is thrown again. What is the sample space for the experiment?

There are 20 girls and 15 boys in a class.(a) What is the ratio of number of girls to the number of boys?(b) What is the ratio of number of girls to the total number of students in the class?

The boy comes from a family of two children, What is the probability that the other child is his sister ? :

An experiment consists of rolling die until a 2 appears. (i)How many elements of the sample space correspond to the event that 2 appears on the k^(th) roll of the die? (ii)How many element of the sample space correspond to the event that 2 appears not later than the k^(th) roll of the die?

From a group of 2 boys and 3 girls, two children are selected. Find the sample space associated to this random experiment.

2 boys and 2 girls are in room P and 1 boy 3 girls are in room Q. write the sample space for the experiment in which a room is selected and then a person.

Assume that each child born is equally likely to be a boy or a girl. If a family has two children, what is the conditional probability that both are girls given that i. the youngest is a girl, ii. at least one is a girl?

RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. A box contains 1 red and 3 black balls. Two balls are drawn at rand...

    Text Solution

    |

  2. A bag contains 4 identical red balls and 3 identical black balls. T...

    Text Solution

    |

  3. An experiment consists of boy –girl composition of families with 2 ...

    Text Solution

    |

  4. There are three coloured dice of red, white and black colour. These...

    Text Solution

    |

  5. 2 boys and  2 girls are in room P and 1 boy 3 girls are in room Q. ...

    Text Solution

    |

  6. A bag contains one white and one red ball. A ball is drawn from the ...

    Text Solution

    |

  7. An experiment consists of rolling a die and then tossing a coin once...

    Text Solution

    |

  8. A die is thrown repeatedly until a six comes up. What is the sample ...

    Text Solution

    |

  9. An experiment involves rolling a pair of dice and recording the num...

    Text Solution

    |

  10. Two dice are thrown and the sum fo the numbers which come up on the ...

    Text Solution

    |

  11. A coin is tossed. Find the total number of elementary events and al...

    Text Solution

    |

  12. List all events associated with the random experiment of tossing of...

    Text Solution

    |

  13. Three coins are tossed once. Describe the following events associate...

    Text Solution

    |

  14. In a single throw of a die describe the following events: A= Gettin...

    Text Solution

    |

  15. In a single throw of a die describe the following events: B= Gettin...

    Text Solution

    |

  16. In a single throw of a die describe the following events: C= Gettin...

    Text Solution

    |

  17. In a single throw of a die describe the following events: A= Getting...

    Text Solution

    |

  18. In a single throw of a die describe the following events: ...

    Text Solution

    |

  19. In a single throw of a die describe the following events: F= Gettin...

    Text Solution

    |

  20. In a single throw of a die describe the following events: AuuB ,\ A...

    Text Solution

    |