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: i) exactly one defective bulb
(ii)exactly two defective bulbs
(iii) no defective bulbs.

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    V PUBLICATION|Exercise QUESTION BANK|43 Videos

  • RELATIONS AND FUNCTIONS

    V PUBLICATION|Exercise QUESTIONBANK|79 Videos

Similar Questions

Explore conceptually related problems

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

In a box containing 100 bulbs 10 are defective the probability that out of a sample of 5 bulbs none is defective is ?

A box contains 400 electronic toy'cars.Among them,12 are defective. One toy is taken out at random.What is the probability that It is a defective toy.

A box contains 400 electronic toy'cars.Among them,12 are defective. One toy is taken out at random.What is the probability tha It is a non-defective toy.

There are 5% defective items in a large bulk of items. What is the probability that a sample of 10 items will include not more than one defective item ?

Ten eggs are drawn successively with replacement from a lot containing 10% defective eggs. Find the probability that there is at least one defective egg.

It is known that 10% of certain articles manufactured are defective . What is the probability that in a random sample of 12 such articles 9 are defective?

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that both balls are red

A bag contains 8 red and 5 white balls.Three balls are drawn at random.Find the probability that one ball is red and two balls are white.

V PUBLICATION-PROBABILITY-QUESTION BANK
  1. Two dice are thrown and the sum of the numbers which come up on the di...

    Text Solution

    |

  2. Find the probability of gétting a head in a toss of an unbiased coin.

    Text Solution

    |

  3. In a simultaneous toss of two coins,find the probability of getting: 2...

    Text Solution

    |

  4. Three coins are tossed once. Find the probability of getting. (i) 3 he...

    Text Solution

    |

  5. A die is thrown. Find the probability of getting (i) an even number (i...

    Text Solution

    |

  6. Find the probability that a leap year should have 53 sundays.

    Text Solution

    |

  7. Three dice are thrown together. Find the probability of getting a tota...

    Text Solution

    |

  8. What is the probability that a nümber selected from the numbers 1,2,3....

    Text Solution

    |

  9. Tickets numbered from 1 to 20 are mixed up together and then a ticket ...

    Text Solution

    |

  10. A coin is tossed. If head comes up, a die is thrown,but if tail comes ...

    Text Solution

    |

  11. One card is drawn from a pack of 52 cards, each of the 52 cards being ...

    Text Solution

    |

  12. An urn contains 9 red, 7 white and 4 black balls. If two balls are dra...

    Text Solution

    |

  13. In a lottery of 50 tickets numbered from 1 to 50,two tickets are drawn...

    Text Solution

    |

  14. A word consists of 9 letters, 5 consonants and 4 vowels. Three letters...

    Text Solution

    |

  15. A bag contains 50 tickets numbered '1,2,3, ....,50: of which, five are...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. Five marbles are drawn from a bag which contains 7 blue marbles and 4 ...

    Text Solution

    |

  19. Find the probability that when a hand of 7 cards is drawn from a well ...

    Text Solution

    |

  20. In a single throw of three dice, determine the probability of getting ...

    Text Solution

    |