Home
Class 11
MATHS
Bag I contains 3 red and 4 black balls. ...

Bag I contains 3 red and 4 black balls. While Bag II contains 5 red and 6 black balls. One ball is drawn at random from one of the bags and it is found to be red. Find the probability that it was drawn from Bag II.

Text Solution

Verified by Experts

The correct Answer is:
` ( 6) /( 120 ) =(1) /( 20 ) `
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    SUBHASH PUBLICATION|Exercise TWO MARKS QUESTION WITH ANSWER|20 Videos

  • PERMUTATIONS AND COMBINATIONS

    SUBHASH PUBLICATION|Exercise 2/3 MARKS QUESTIONS WITH ANSWERS|36 Videos

  • PU EDU.DEPT.MODEL QUESTION PAPER (WITH ANSWERS)

    SUBHASH PUBLICATION|Exercise PART - E ( V. Answer any ONE questions)|8 Videos

Similar Questions

Explore conceptually related problems

A Bag I contain 3 red and 4 black balls. White bag II contains 5 red 6 black balls. One ball is drawn at random from one of the bags and it is found to be red. Find the probability that it was drawn from bag II.

A bag A contains 2 white and 3 red balls and a bag B contains 4 white and 5 red balls. One ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag B.

A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and a ball is drawn from the bag which is found to be red. Find the probability that the ball is drawn from the first bag.

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 beg contains 4 red and 4 black , another bag contains 2 red and 6 black balls. One of the two bags is selected at random and a ball is drawn from the bag which is found to be red. Find the probability that the ball is drawn from the first bag.

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 ?

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

A bag A contains 3 white and 2 black balls and another bag B contains 2 white and 4 black balls. A bag and a ball out of it are picked at random. What is the probability that the ball is white?

SUBHASH PUBLICATION-PROBABILITY -TWO MARKS QUESTION WITH ANSWER
  1. A beg contains 10 balls of which 5 are red 3 are blue and 2 are yellow...

    Text Solution

    |

  2. A committee of two persons is selected from two men and two women.What...

    Text Solution

    |

  3. A coin is tossed twice.What is the probability that atleast one tail o...

    Text Solution

    |

  4. A die is thrown once Find the probability that a prime numbers will a...

    Text Solution

    |

  5. A card is selected from a pack of 52 cards.Find the probability that t...

    Text Solution

    |

  6. Three coins are tossed once.Find the probability of getting atleast tw...

    Text Solution

    |

  7. Three are 4 men and 6 women in a city council.If one council member is...

    Text Solution

    |

  8. What is the probability that 4 cards drawn at random from a well-shuff...

    Text Solution

    |

  9. Bag I contains 3 red and 4 black balls. While Bag II contains 5 red an...

    Text Solution

    |

  10. A bag contains 5 tennis balls and 4 cricket balls. Three balls are dra...

    Text Solution

    |

  11. In a class of 100 students 60 drinks tea. 50 drink coffee and 30 drink...

    Text Solution

    |

  12. Suppose 3 bulbs are selected at random from a lot.Each bulb is tosted ...

    Text Solution

    |

  13. A coin is tossed.If its shows a tail we draw a ball from a box which c...

    Text Solution

    |

  14. A fair coin with 1 marked on one face and 6 on the other and a fair d...

    Text Solution

    |

  15. A letter is chosen at random from the word 'ASSASSINATION' Find the pr...

    Text Solution

    |

  16. In a lottery, a person chooses six different natural numbers at random...

    Text Solution

    |

  17. A and B are events such that P(A) =0.42,P(B) =0.48 and P(A and B) =0.1...

    Text Solution

    |

  18. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5...

    Text Solution

    |

  19. Out of 100 students,two sections of 40 and 60 are formed.If you and yo...

    Text Solution

    |

  20. A and B are two events such that P(A) =0.54,P(B) =0.69 and P( A nnB) ...

    Text Solution

    |