Home
Class 11
MATHS
If the events A and B are independent if...

If the events A and B are independent if `P(barA) = (2)/(3) and P(barB) = (2)/(7) `, then `P(A nn B)` is equal to

A

`(4)/(21)`

B

`(5)/(21)`

C

`(1)/(21)`

D

`(3)/(21)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING (MISCELLANEOUS)|3 Videos

  • PROBABILITY

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

  • PROBABILITY

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING (ALGEBRA OF EVENTS , CONCEPT OF PROBABILTIY)|42 Videos

  • FACTORIZATION FORMULAE

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos

  • SETS, RELATIONS AND FUNCTIONS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

If A and B are independent events with P(A)=(3)/(7) and P(B)=(2)/(5) then find P(A'nn B')

If A and B are two independent events with P(A) = (3)/(5) and P(B) = (4)/(9) , then P(A' cap B') equal to :

If A and B are two independent events such that P(A)=(1)/(2) and P(B)=(1)/(5), then P(A uu B) is equal to

If events are independents and P(A)=(1)/(3), P(B)=(1)/(3) and P(C )=(1)/(4) , then P(A' nn B' nn C') is equal to

If A and B are two independent events such that P(A) = 3/10 and P(A uu B) = 4/5. then P( A nn B) is equal to:

If A and B are independent events and P(A)=(3)/(10),P(B)=(4)/(10) then find P(A nn B)

23.A and B are two independent events such that P(A)=(1)/(2) and P(B)=(1)/(3). Then P (neither A nor B) is equal to

If P(A)=(1)/(2),P(B)=(3)/(8) and P(A nn B)=(1)/(5) , then P(A//B) is equal to :

If A and B are independent events then P(A nn B) =

TARGET PUBLICATION-PROBABILITY-COMPETITIVE THINKING (ADDITION THEOREM AND CONDITIONAL PROBABILITY)
  1. The probability that a man will live 10 more years is 1//4 and the pro...

    Text Solution

    |

  2. A coin is tossed three times. Event A: two heads appear Event B: l...

    Text Solution

    |

  3. If the events A and B are independent if P(barA) = (2)/(3) and P(barB...

    Text Solution

    |

  4. If A and B are two independent events such that P(B) = 2/7, , P(A uu B...

    Text Solution

    |

  5. For any two independent events E1 and E2 P{(E1uuE2)nn(bar(E1)nnbar(E2)...

    Text Solution

    |

  6. Let A and B be two events such that Poverline((AcupB))=(1)/(6),P(AcapB...

    Text Solution

    |

  7. IF A and B are independent events of a random experiment such tha...

    Text Solution

    |

  8. Two aeroplanes I and II bomb a target in succession. The probabilities...

    Text Solution

    |

  9. A company produces 10,000 items per day. On a particular day 2500 item...

    Text Solution

    |

  10. A, B, C are any three events. If P(S) denotes the probability of S hap...

    Text Solution

    |

  11. If P(B)=3/4, P(AnnBnnbarC)=1/3 and P(barAnnBbarC)=1/3 then P(BnnC)=

    Text Solution

    |

  12. A student appears for tests 1, 2 and 3. The student is successful if h...

    Text Solution

    |

  13. From a pack of 52 cards, two are drawn one by one without replacement....

    Text Solution

    |

  14. From a pack of 52 cards, two cards are drawn, the first being replaced...

    Text Solution

    |

  15. A bag contains 3 black and 4 white balls. Two balls are drawn one by o...

    Text Solution

    |

  16. The probability of India winning a test match against West Indies i...

    Text Solution

    |

  17. The probability that A speaks truth is (4)/(5), while this probability...

    Text Solution

    |

  18. The probability that A speas truth is (4)/(5) while this porbability...

    Text Solution

    |

  19. X speaks truth in 60% and Y in 50% of the cases. Find the probabili...

    Text Solution

    |

  20. A speaks the truth in 70% cases and B in 80% cases. The probability th...

    Text Solution

    |