Home
Class 12
MATHS
If P(A cup B) = 0.8, P(A cap B) = 0.3, t...

If `P(A cup B) = 0.8, P(A cap B) = 0.3, then `P (bar(A)) + P (bar (B)) =`

A

0.3

B

0.5

C

0.7

D

0.9

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PERMUTATION AND COMBINATIONS

    HIMALAYA PUBLICATION|Exercise Question Bank|104 Videos

  • PROGRESSIONS

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|97 Videos

Similar Questions

Explore conceptually related problems

If A and B are two events such that P(A cup B) =3/4 ,P(A cap B) = 1/4 and P(bar(A)) =2/3 then P( bar(A) capB) is equal to

If P(A)=0.05 the P(bar(A)) is

If P(A) =4/5 and P(A cap B) = 7/10 then P(B/A) =

Let A and B be two such that P(bar(A cup B))=1/6 , P(A cap B) = 1/4 and P(bar(A)) = 1/4 where bar(A) stands for the complement of the event A . Then the events A and B are :

Let A and B two events such that P( bar(A cup B)) = 1/6 , P(A capB) =1/4 and P(bar(A)) =1/4 , where bar(A) stands for complement of event A . Then events A and B are :

If P(A cap B) = 7/10 and P(B) = 17/10 then P(A/B) =

If P(A) = 0.4, P(B) = 0.8 and P(B|A) = 0.6 then P(A cup B) =

HIMALAYA PUBLICATION-PROBABILITY-QUESTION BANK
  1. The probability of getting qualified in IITJEE and EAMCET by a student...

    Text Solution

    |

  2. One die and a coin are tossed simultaneously, the probability of getti...

    Text Solution

    |

  3. If P(A cup B) = 0.8, P(A cap B) = 0.3, then P (bar(A)) + P (bar (B)) =

    Text Solution

    |

  4. A coin is tossed n times. The probability of getting head atleast once...

    Text Solution

    |

  5. A box $X$ contains 2 white and 3 black balls and another bag Y contain...

    Text Solution

    |

  6. A random variable X takes the values 0,1,2,3 and its means is 1.3. If ...

    Text Solution

    |

  7. A coin and a six faced die, both unbiased, are thrown simultaneously. ...

    Text Solution

    |

  8. A number n is choosen at random form S = {1,2,3,….,50} Let A = { n in ...

    Text Solution

    |

  9. Box A contains 2 black and 3 red balls while box B contains 3 black an...

    Text Solution

    |

  10. If the range of a random variable X is {0,1,2,3 …..,} with P(X = k) = ...

    Text Solution

    |

  11. Suppose n ge 3 persons are sitting in a row. Two of them are selected ...

    Text Solution

    |

  12. If the probability that A and B will die within a year are p and q r...

    Text Solution

    |

  13. If different words are found from letters of the word 'UNIVERSITY', th...

    Text Solution

    |

  14. Three letters are sent to different persons and addresses on the ...

    Text Solution

    |

  15. A bag contains 4 red, 6 white and 5 black balls. 2 balls are drawn at ...

    Text Solution

    |

  16. If two events P(A cup B) = 5/6, P(A) = 1/6, P(B) = 2/3, then A and B a...

    Text Solution

    |

  17. Let A and B be two events such that P(A) = 0.3 and P(A cup B) = 0.8. I...

    Text Solution

    |

  18. Let A and B be two events such that P(A cup B) = 5/6, P(A cap B) =1/3 ...

    Text Solution

    |

  19. Among 15 players, 8 are batsmen and 7 are bowlers, the probability tha...

    Text Solution

    |

  20. The probability that the two digit number formed by digits 1,2,3,4 is ...

    Text Solution

    |