Home
Class 11
MATHS
A box contains 10 bulbs, of which just t...

A box contains 10 bulbs, of which just three are defective. If a random sample of five bulbs is drawn , find the probabilities that the sample contains: Exactly one defective bulb. Exactly two defective bulbs. No defective bulbs.

Text Solution

AI Generated Solution

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 box contains 100 bulbs out of which 10 are defective. A sample of 5 bulbs is drawn. The probability that none is defective , is

From a lot of 10 bulbs, which includes 3 defectives, a sample of 2 bulbs is drawn at random. Find the probability distribution of the number of defective bulbs.

From a lot of 10 bulbs, which includes 3 defectives, a sample of 2 bulbs is drawn at random. Find the probability distribution of the number of defective bulbs.

A box contains 13 bulbs out of which 5 are defective. 3 bulbs are randomly drawn, one by one without replacement, from the box. Find the probability distribution of the number of defective bulbs.

From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs is drawn at random with replacement. Find the probability distribution of the number of defective bulbs.

A Box Contains 100 Bulbs Out Of Which 10 Are Defective A Sample Of 5 Bulbs Is Drawn The Probability That None Is Defective Is

A box contains 100 bulbs 20 of which are defective. 10 bulbs are selected for inspection. Find the probability that: i. all 10 are defective ii. all 10 are good ii. at least one is defective iv. none is defective.

From a lot of 15 bulbs which include 5 defectives, a sample of 2 bulbs is drawn at random (without replacement). Find the probability distribution of the number of defective bulbs.

It is given that 10% of the electric bulbs manufactured by a company are defective. In a sample of 20 bulbs, find the probability that more than 2 are defective.

A carton contains 20 bulbs ,5 of which are defective. The probability that,if a sample of 3 bulbs in chosen at random from the carton, 2 will be defective, is

RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. Find the probability that when a hand of 7 cards is dealt from a we...

    Text Solution

    |

  2. Four persons are to be chosen at random from a group of 3 men, 2 women...

    Text Solution

    |

  3. A box contains 10 bulbs, of which just three are defective. If a rando...

    Text Solution

    |

  4. A five digit number is formed with the digits 1,2,3,4,5 without repeti...

    Text Solution

    |

  5. A fair coin with 1 marked on one face and 6 on the other and a fair di...

    Text Solution

    |

  6. A coin is tossed. If it shows head, we draw a ball from a bag consi...

    Text Solution

    |

  7. An experiment consists rolling a die then tossing a coin once if the...

    Text Solution

    |

  8. The numbers 1,2,3 and 4 are written separately on four slips of pape...

    Text Solution

    |

  9. A coin is tossed. If the result is a head, a die is thrown. If the ...

    Text Solution

    |

  10. A coin is tossed once. Write its sample space.

    Text Solution

    |

  11. If a coin is tossed two times, describe the sample space associated...

    Text Solution

    |

  12. If a coin is tossed three times (or three coins are tossed together...

    Text Solution

    |

  13. Write the sample space for the experiment of tossing a coin four ti...

    Text Solution

    |

  14. Two dice are thrown. Describe the sample space of this experiment.

    Text Solution

    |

  15. What is the total number of elementary events associated to the ran...

    Text Solution

    |

  16. A coin is tossed and then a die is rolled only in case a head is sh...

    Text Solution

    |

  17. A coin tossed and a die is thrown. Describe the sample space for thi...

    Text Solution

    |

  18. An experiment consists of tossing a coin and then tossing it second...

    Text Solution

    |

  19. A coin is tossed. If it shows tail,  we draw a ball from a box which c...

    Text Solution

    |

  20. A coin  is tossed repeatedly until a tail comes up for the first ti...

    Text Solution

    |