Home
Class 12
MATHS
If P(A) = 0.8, P(B) = 0.5 and P (B|A) = ...

If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4, find P(A|B)

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NCERT BANGLISH|Exercise EXERCISE 3.1|17 Videos
  • PROBABILITY

    NCERT BANGLISH|Exercise EXERCISE 3.2|18 Videos
  • MATRICES

    NCERT BANGLISH|Exercise Miscellaneous Exercise on Chapter 3|15 Videos
  • RELATIONS AND FUNCTIONS

    NCERT BANGLISH|Exercise MISCLELLANEOUS EXERCISE ON CHAPTER 1|19 Videos

Similar Questions

Explore conceptually related problems

If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4, find P(A cup B) 

If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4, find P(A cap B)

If P (A) = 0. 8 ,and P(B|A) = 0. 4 , find P(AnnB)

If P(A)=0. 8 ,P(B)=0. 5 ,a n dP(B//A)=0. 4 , find (i) P(AnnB) (ii) P(A/B) (iii) P(AuuB)

A and B are two events such that P(A) = 0.54, P(B) = 0.69 and P(A nn B) = 0.35 Find (i) P(A uu B (ii) P(A' nn B') (iii) P(A nn B') (iv) P(B nn A')

If P(A) = 2P(B) = 2/5 and P(B/A) = 1/3 , find P(A/B) and P(AuuB) .

If P(A//B)= 0.75, P(B//A) = 0.6 and P(A)=0.4 find the value of P(barA//barB)

If A and B are two events associated with a random experiment such that P(B) = 0.35, P(A or B) = 0.85 and P(A and B) = 0.15, find P(A).

If P(A) = 0.2, P(B) = 0.4, P(AB) = 0.08, then P(B/A^c) equals to

The probabilities of three events A,B,C are P(A) = 0.6, P(B) = 0.4 and P( C) = 0.5.If P(A cup B) = 0.8, P(A cap C) = 0.3 , P(A cap B cap C) = 0.2 and P(A cup Bcup C ) ge 0.85, show that, 0.2 leP(BcapC) le 0.35.

NCERT BANGLISH-PROBABILITY-MISCELLANEOUS EXERCISE ON CHAPTER 13
  1. If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4, find P(A|B)

    Text Solution

    |

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

    Text Solution

    |

  3. A couple has two children, (i) Find the probability that both child...

    Text Solution

    |

  4. Suppose that 5% of men and 0.25% of women have grey hair. A grey haire...

    Text Solution

    |

  5. Suppose that 90% of people are right-handed. What is the probability t...

    Text Solution

    |

  6. An urn contains 25 balls of which 10 balls bear a mark 'X' and the rem...

    Text Solution

    |

  7. In a hurdle race, a player has to cross 10 hurdles. The probability th...

    Text Solution

    |

  8. A die is thrown again and again until three sixes are obtained. Find t...

    Text Solution

    |

  9. If a leap year is selected at random, what is the chance that it will ...

    Text Solution

    |

  10. An experiment succeeds twice as often as it fails. Find the probabilit...

    Text Solution

    |

  11. How many times must a man toss a fair coin so that the probability of ...

    Text Solution

    |

  12. In a game, a man wins a rupee for a six and loses a rupee for any othe...

    Text Solution

    |

  13. Suppose we have four boxes A,B,C and D containing coloured marbles as ...

    Text Solution

    |

  14. Assume that the chances of a patient having a heart attack is 40%. It ...

    Text Solution

    |

  15. If each element of a second order determinant is either zero or one, w...

    Text Solution

    |

  16. An electronic assembly consists of two subsystems, say, A and B. From ...

    Text Solution

    |

  17. Bag I contains 3 red and 4 black balls and Bag II contains 4 red and 5...

    Text Solution

    |

  18. Choose the correct answer: If A and B are two events such that P(A) ...

    Text Solution

    |

  19. Choose the correct answer: If P(A|B) gt P(A), then which of the foll...

    Text Solution

    |

  20. Choose the correct answer: If A and B are any two events such that P...

    Text Solution

    |