Home
Class 12
MATHS
An urn contains 12 red balls and 12 gree...

An urn contains 12 red balls and 12 green balls. Suppose two balls are drawn one after another without replacement . Find the probability that the second ball drawn is green given that the first ball drawn is red.

Text Solution

Verified by Experts

The correct Answer is:
`(12)/(23)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    AAKASH SERIES|Exercise Additional Solved Example|48 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Exercise 2.1(very short answer)|15 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|163 Videos

  • QUADRATIC EQUATIONS & EXPRESSIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|88 Videos

Similar Questions

Explore conceptually related problems

(i) An urn contains 7 red and 3 black balls. Two balls are drawn one after another without replacement. What is the probability that the second ball is red if it is know that the first ball drawn is red. (ii) A box contains 8 red and 10 green balls. Two balls are drawn one after another without replacement. What is the probability that the second ball is green if it is know that the first ball drawn is red.

An urn contains 7 red and 3 black balls. Two balls are drawn without replacement. What is the probability that the second ball is red it is known that the first ball drawn is red.

A bag contains 5 red balls, 6 green balls and 7 white balls. If three balls are drawn at random, one after another with replacement, then find the probability that these are green, red and white in order.

A box contains 5 black, 4 white and 6 red balls. Two balls are drawn one after another without replacement. What is the probability that the first will be white and the second will be balck ?

A bag containing 2 white, 3 black and 4 green balls. If 2 balls are drawn from it, one after another with replacement then the probability that the first one is white and the second one is black is

A bag contain 5 balls. Two balls are drawn and found them to be red. Find the probability that all the balls are red.

A box contains 4 red and 8 white balls . If 4 balls are drawn one by one with replacement then the probability of getting 3 white balls is

A bag contains 4 black , 5 white and 6 red balls. If 4 balls are drawn one by one with replacement the probability that none is red is

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is white

AAKASH SERIES-PROBABILITY-Solved Example
  1. Suppose A and B are independent events with P(A)=0.6, P(B)=0.7 then co...

    Text Solution

    |

  2. A pair of dice are rolled. What is the probability that neither die sh...

    Text Solution

    |

  3. An urn contains 12 red balls and 12 green balls. Suppose two balls are...

    Text Solution

    |

  4. Suppose there are 12 boys and 4 girls in a class. If we choose three c...

    Text Solution

    |

  5. Find the probability of drawing 2 red balls in succession from a bag c...

    Text Solution

    |

  6. If A,B,C are independent events, shows that AcupBandC are also a indep...

    Text Solution

    |

  7. If A and B are two independent events, and P(A)=1//4, P(B)=1//3 then f...

    Text Solution

    |

  8. The probability that A hits a target is 1//4 and the probability that...

    Text Solution

    |

  9. In a shooting test the probability of A,B,C hitting the targets are (1...

    Text Solution

    |

  10. An urn contains 10 white balls and 5 black balls. Two players Q and R ...

    Text Solution

    |

  11. Bag B(1) contains 4 white and 2 black balls. Bag B(2) contains 3 whi...

    Text Solution

    |

  12. Bag A contains 4 white and 7 black balls. Bag B contains 5 white and 6...

    Text Solution

    |

  13. Bag A contains 4 white and 3 black balls. Bag B contains 3 white and 2...

    Text Solution

    |

  14. Three boxes numbered I,II,III contain the balls as follows. One b...

    Text Solution

    |

  15. A survey shows that in a certain village 2 out of every 100 men and 1 ...

    Text Solution

    |

  16. A bag contains 5 balls the colours of which are not known. Two balls a...

    Text Solution

    |

  17. A man is known to speack the truth 2 out of 3 times . He throws a die ...

    Text Solution

    |

  18. A letter is known to have come from either 'MAHARASTRA or MADRAS on th...

    Text Solution

    |

  19. Suppose that an unbaised pair of dice is rolled. Let A denote the even...

    Text Solution

    |

  20. Prove that A and B are independent events if and only if P((A)/(B))=P(...

    Text Solution

    |