Home
Class 12
MATHS
There are two urns A and B. Urn A contai...

There are two urns A and B. Urn A contains 5 red, 4 blue, and 2 white balls, urn B contains 4 red, 3 blue, and 3 white balls. An urn is choosen at random and a ball is drawn. Probability that the ball drawn is red is

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    CENGAGE PUBLICATION|Exercise Sovled Examples|22 Videos
  • PROBABILITY I

    CENGAGE PUBLICATION|Exercise JEE Advanced|7 Videos

Similar Questions

Explore conceptually related problems

There are two urns Aa n dB . Urn A contains 5 red, 3 blue and 2 white balls, urn B contains 4 red, 3 blue, and 3 white balls. An urn is chosen at random and a ball is drawn. Probability that the ball drawn is red is a. 9//10 b. 1//2 c. 11//20 d. 9//20

A bag contains 2 red and 3 white balls and another bag contains 1 red and 2 white balls. If a bag is chosen at random and a ball is drawn from it, what is the probability that the ball is white ?

A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random. What is the probability that ball drawn is not black?

A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is red?

A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is red?

A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is not red?

Three urns A, B and C contain 6 red and 4 white, 2 red and 6 white and 1 red and 5 white balls respectively. An urn is chosen at random and a ball is drawn. If the ball drawn is found to be red, find the probability that the ball was drawn from the urn A.

An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.

Three identical urns contain white and black balls. The first urn contains 2 white and 3 black balls, the second urn 3 white and 2 black balls and the third urn 1 black and 4 white balls. An urn is chosen at random and a ball is drawn from it. If the ball drawn is white, what is the probability that the first urn is chosen ?

A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is white?

CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. The sum of two positive quantities is equal to 2ndot the probability t...

    Text Solution

    |

  2. A coin is tossed 7 times. Then the probability that at least 4 consect...

    Text Solution

    |

  3. There are two urns A and B. Urn A contains 5 red, 4 blue, and 2 white ...

    Text Solution

    |

  4. An unbiased coin is tossed 6 times. The probability that third head ap...

    Text Solution

    |

  5. Let A and B be two independent events. The probability of their sim...

    Text Solution

    |

  6. In a certain city, only 2 newspapers A and B are published. It is know...

    Text Solution

    |

  7. A card is drawn at random from a well-shuffled pack of 52 cards. Fi...

    Text Solution

    |

  8. Let A ,B ,C be three events such that P(A)=0. 3 , P(B)=0. 4 ,P(C)=0. 8...

    Text Solution

    |

  9. 20 teachers of a school either teach mathematics or physics. 12 of the...

    Text Solution

    |

  10. Three ships A ,B ,a n dC sail from England to India. If the ratio of ...

    Text Solution

    |

  11. 6 boys and 6 girls sit in row at random. the probability that all t...

    Text Solution

    |

  12. A bag contains some white and some black balls, all combinations of ba...

    Text Solution

    |

  13. In a multiple choice question, there are four alternative answers of ...

    Text Solution

    |

  14. Two unbiased dice are thrown. What is the probability that the sum of ...

    Text Solution

    |

  15. A fair coin is tossed 100 times. The probability of getting tails 1, 3...

    Text Solution

    |

  16. Three player A, B and C, toss a coin cyclically in that order (that i...

    Text Solution

    |

  17. One Indian and four American men and their wives are to be seated rand...

    Text Solution

    |

  18. A pair of unbiased dice are rolled together till a sum of either 5 or ...

    Text Solution

    |

  19. Consider the system of linear equation ax+by=0, cx+dy=0, a, b, c, d in...

    Text Solution

    |

  20. Let A ,B ,C be three mutually independent events. Consider the two sta...

    Text Solution

    |