Home
Class 12
MATHS
A and B are two possible events of an ex...

A and B are two possible events of an experiment such that `P(A)=0.3`, `P(AuuB)=0.8` and `P(B)=P`. The value of P if A and B are independent is

A

`(2)/(10)`

B

`(3)/(10)`

C

`(2)/(7)`

D

`(5)/(7)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    AAKASH SERIES|Exercise Exercise-II|130 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Additional Exercise|29 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 independent events such that P(B) = 2/7, P(AcupB)=0.8 , then P(A)=

If A and B are two events of a random experiment such that P(bar(A))=0.3, P(B)=0.4 " and "P(A cap bar(B))=0.5, " then "P(A cup B)+P(B| A cup bar(B))=

If A and B are two events such that P(A) = 0.3 , P(B) = 0.6 and P(B|A) = 0.5 , then P(AcupB) =

If A and B are two events of a sample space then P(A)-P(B)=

If A and B are two events such that P(A) = 0.3 , P(B) =0.6 and P(B|A) = 0.5 , then P(A|B) =

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

A and B are two events of a trial, P(A) = 0.4, P(B) = p, P(A uu B) = 0.7 . Find p if A and B are independent.

AAKASH SERIES-PROBABILITY-Exercise-I
  1. A coin and six faced die, both unbaised are thrown simultaneously . Th...

    Text Solution

    |

  2. If P(A)=(1)/(2), P(B)=(1)/(5), A and B are independent events then P((...

    Text Solution

    |

  3. A and B are two possible events of an experiment such that P(A)=0.3, P...

    Text Solution

    |

  4. If the probability for A to fail in one exam is 0.2 and that for B is ...

    Text Solution

    |

  5. The probability that a boy A will get a scholarship is 0.9 and that an...

    Text Solution

    |

  6. If A and B are two independent events such that P(AnnB)=1//6 and P(Ann...

    Text Solution

    |

  7. If A and B are two independent events of a random experiment such that...

    Text Solution

    |

  8. At a selection, the probability of selection of A is 1/7 and that of B...

    Text Solution

    |

  9. In the above problem, the probability that both are selected is

    Text Solution

    |

  10. At a selection, the probability of selection of A is 1/7 and that of B...

    Text Solution

    |

  11. Three cards are drawn from pack successively without replacement, the ...

    Text Solution

    |

  12. Three cards are drawn from pack successively without replacement, pro...

    Text Solution

    |

  13. Two dice are rolled and 3 coins are tossed. The probability of getting...

    Text Solution

    |

  14. From each of 3 married couples one partner is selected at random then ...

    Text Solution

    |

  15. A man is known to speak the truth 3 out of 4 times. He throws a die an...

    Text Solution

    |

  16. A bag contains 5 balls and it is not known how many of them are white....

    Text Solution

    |

  17. Out of the first 25 natural numbers two are chosen at random. The prob...

    Text Solution

    |

  18. A fair die is tossed twice. The probability of getting 4, 5 or 6 on th...

    Text Solution

    |

  19. A bag contains 4 black , 5 white and 6 red balls. If 4 balls are drawn...

    Text Solution

    |

  20. Two persons A and B are rolling die on the condition that the person w...

    Text Solution

    |