Home
Class 12
MATHS
In a bolt factory, machines A, B and C m...

In a bolt factory, machines A, B and C manufacture respectively 25%, 35% and 40% of the total bolts. Of their output 5, 4 and 2 percent are respectively defective bolts. A bolt is drawn at random from the product. What is the probability that the bolt drawn is defective?

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MEAN VALUE THEOREMS

    RD SHARMA ENGLISH|Exercise All Questions|134 Videos
  • RELATIONS

    RD SHARMA ENGLISH|Exercise All Questions|197 Videos
RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. A and B throw alternately a pair of dice. A wins if he throws 6 before...

    Text Solution

    |

  2. Three persons A, B, C throw a die in succession till one gets a six ...

    Text Solution

    |

  3. In a bolt factory, machines A, B and C manufacture respectively 25%, ...

    Text Solution

    |

  4. Two thirds of the students in a class are boys and the rest girls. It ...

    Text Solution

    |

  5. An urn contains m white and n black balls. A ball is drawn at random ...

    Text Solution

    |

  6. A box has 5 blue and 4 red balls. One balls is drawn at random and ...

    Text Solution

    |

  7. A bag contains 3 white and 2 black balls and another bag contains 2 ...

    Text Solution

    |

  8. A bag contains (2n+1) coins. It is known that n of these coins have a ...

    Text Solution

    |

  9. One bag contains 4 white and 5 black balls. Another bag contains 6 ...

    Text Solution

    |

  10. A factory has two machines A and B. Past records show that the machine...

    Text Solution

    |

  11. A company has two plants to manufacture scooters. Plant I manufactures...

    Text Solution

    |

  12. A bag contains 6 red and 8 black balls and another bag contains 8 red ...

    Text Solution

    |

  13. Two balls drawn from an urn containing 2 white, 3 red and 4 black ball...

    Text Solution

    |

  14. An urn contains 5 white and 8 black balls. Two successive drawings of ...

    Text Solution

    |

  15. A pair of dice thrown. If the two numbers appearing on them are dif...

    Text Solution

    |

  16. A and B are two events such that P(A)!=0. Find P(B|A) , if (i) A is a...

    Text Solution

    |

  17. A die is thrown three times, if the first throw is a four, find the ...

    Text Solution

    |

  18. Two integers are selected at random from integers 1 through 11. If the...

    Text Solution

    |

  19. Find the probability of drawing a diamond card in each of the two co...

    Text Solution

    |

  20. A bag contains 10 white and 15 black balls. Two balls are drawn in ...

    Text Solution

    |