Home
Class 12
MATHS
If A and B are two independent events su...

If A and B are two independent events such that P(B) = 2/7, `P(AcupB)=0.8`, then P(A)=

A

`0.1`

B

`0.2`

C

`0.3`

D

`0.4`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    AAKASH SERIES|Exercise Exercise-II|130 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

If A and B are two indepandent events such that P(B) = 2/7 , P(A uu B^(c) ) = 0.8 , then P(A) is equal to

If A, B are two independent events such that P(A) = 3/4, P(B) =2/5 then P(AcupB) =

If A and B are two independent events such that P(B) =(2)/(7) and P(A uuB^(C )) = 0.8, " then " p(A uuB) =

If A,B are two independent events such that P(A) = 0.5, P(barB) = 0.3 then P(AcapB)=

If A and B are two independent events such that P(AnnB)=1//6 and P(AnnB')=1//3 then P(A)=

If A and B are two disjoint events such that P(A) = 2/7 , P(B)=3/5 then P(A or B) =

Suppose that A and B are two independent events such that P(A nn B) =3/(25) and P(A)=8/(25) Then P(B) =

If A and B are two independent events such that P(barA cap B) = 2//15 and P(A cap barB) = 1//16 then P(B)=

If A and B are two events such that P(A)=1//4, P(B)=1//2, P(uuB)=5//8 then P(A nn B) =

AAKASH SERIES-PROBABILITY-Practise Exercise
  1. In a class there are 60 boys and 20 girls. Half the boys and girls hav...

    Text Solution

    |

  2. If A and B are mutually exclusive events with P(B) ne 1 then P(A| b...

    Text Solution

    |

  3. If A and B are two independent events such that P(B) = 2/7, P(AcupB)=0...

    Text Solution

    |

  4. If P(overlineA) = 0.7, P(B) = 0.7 and P(B|A) = 0.5, then P(AcupB )=

    Text Solution

    |

  5. If two dice are thrwon simultaneously, then the sum of the numbers on ...

    Text Solution

    |

  6. If A and B are two events such that P(AuuB)=(5)/(6), P(AnnB)=(1)/(3) a...

    Text Solution

    |

  7. If A and B are mutually exclusive and exhaustive events with P(A)=(2)/...

    Text Solution

    |

  8. The probability of getting qualified in IIT JEE and EAMCET by a studen...

    Text Solution

    |

  9. The probability of A solving a problem is 0.3 and the probability of B...

    Text Solution

    |

  10. A man and a woman appear in an interview for vacancies in the same pos...

    Text Solution

    |

  11. A letter is taken out at random from the word RANGE and another is tak...

    Text Solution

    |

  12. One hundred tickets are numbered as 00,01,02,…..,09,10,11,….,99 and on...

    Text Solution

    |

  13. Two unbaised dice are rolled and given that they are showing different...

    Text Solution

    |

  14. Two dice are rolled and given that both faces are showing even numbers...

    Text Solution

    |

  15. Three dice are rolled and told that exactly two of them are showing th...

    Text Solution

    |

  16. Given that a throw of three unbaised dice shows different faces, the p...

    Text Solution

    |

  17. In a class 60% are boys and rest are girls . 50% of boys and 25% of gi...

    Text Solution

    |

  18. Out of numbers 1,2,3,….9, two numbers are chosen at random, so that th...

    Text Solution

    |

  19. A biased die is tossed and the respective probabilities for the face t...

    Text Solution

    |

  20. Suppose E and F are two events of a random experiment. If the probabil...

    Text Solution

    |