Home
Class 12
MATHS
There are two identical bags. Bag I cont...

There are two identical bags. Bag I contains 3 red and 4 black balls while bag II contains 5 red and 4 black balls. One ball is drawn at random from one of the bags.
If the balls drawn is red what is the probability that it was drawn from bag I?

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|128 Videos
  • RELATIONS AND FUNCTIONS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|86 Videos
A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
  1. If A and B are two events such that AsubB and P(A)!=0 then P(A/B) is

    Text Solution

    |

  2. There are two identical bags. Bag | contains 3 red and 4 black balls w...

    Text Solution

    |

  3. There are two identical bags. Bag I contains 3 red and 4 black balls w...

    Text Solution

    |

  4. Consider the following probability distribution of a random variable X...

    Text Solution

    |

  5. Consider the following probability distribution of a random variable X...

    Text Solution

    |

  6. If A is a 2xx2 matrix and absA =1, then abs(2A) is

    Text Solution

    |

  7. Let A=[[3,1],[-1,2]] find A^-1

    Text Solution

    |

  8. sin^-1[sin((7pi)/6)] is equal to --

    Text Solution

    |

  9. Using the above result prove that tan^-1(frac(1)(2))+tan^-1(frac(1)(...

    Text Solution

    |

  10. If A^T=[[-2,3],[1,2]] and B^T=[[-1,0],[1,2]] then find (A+2B)^T

    Text Solution

    |

  11. If A and B are symmetric matrices of the same order, then prove that (...

    Text Solution

    |

  12. Express A=[[1,7],[2,9]] as a sum of a symmetric and skew-symmetric m...

    Text Solution

    |

  13. The derivative of 2^(sinx) is

    Text Solution

    |

  14. Find dy/dx if x^y = y^x

    Text Solution

    |

  15. If y=ae^(5x)+be^(-5x), show that (d^2y)/(dx^2)-25y=0

    Text Solution

    |

  16. int1/cos^2xdx= a)sec^2x+C b)tan^2x+C c)secx+C d)tanx+C

    Text Solution

    |

  17. Find intxtan^-1xdx.

    Text Solution

    |

  18. Consider the vectors veca=hati-hatj+3hatk and vecb=3hati-7hatj+hatk ...

    Text Solution

    |

  19. Consider the vectors veca=hati-hatj+3hatk and vecb=3hati-7hatj+hatk ...

    Text Solution

    |

  20. Consider the vectors veca=hati-hatj+3hatk and vecb=3hati-7hatj+hatk Fi...

    Text Solution

    |