Home
Class 12
MATHS
If A and B are two eveuts, then what is ...

If A and B are two eveuts, then what is the probability of occurrence of either event A or event B?

A

`P(A) +P(B)`

B

`P(A uu B)`

C

`P(A nn B)`

D

`P(A) P(B)`

Text Solution

Verified by Experts

The correct Answer is:
B
Probability of occurrence of either event A or event B = `P( A nnB)`
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIAL,QUADRATIC EQUATION & INEQUALITIES

    NDA PREVIOUS YEARS|Exercise Math|170 Videos

  • PROPERTIES OF TRIANGLE, INVERSE TRIGONOMETRIC FUNCTION

    NDA PREVIOUS YEARS|Exercise MCQ|103 Videos

Similar Questions

Explore conceptually related problems

1.What is the probability of occurrence of an event?

If an event is sure to occur, then what is its probability of occurrence ?

If A and B are two independent events,then the probability of occurrence of at least one of A and B is given by 1-P'(A)P'(B)

If A and B are two events write the expression for the probability of occurrence of exactly one of two events.

If the probability of an event to occur is 55% , then what is the probability on non occurrence of that event .

If odds in favour of an event be 2:3 find the probability of occurrence of this event.

If P (E) denotes probability of occurrence of event E, then :

If the odds favour of an event be 3/5, find the probability of the occurrence of the event.

NDA PREVIOUS YEARS-PROBABILITY AND PROBABILIYT DISTRIBUTION-Multiple Choice Question
  1. 8 coins are tossed simultaneously. The probability of getting at least...

    Text Solution

    |

  2. Three groups of children contain 3 girls and 1 boy; 2 girls and 2 boys...

    Text Solution

    |

  3. If the probability of simultaneous occurrence of two events A and B is...

    Text Solution

    |

  4. Two integers xa n dy are chosen with replacement out of the set {0,...

    Text Solution

    |

  5. From a deck of cards, cards are taken out with replacement. What is th...

    Text Solution

    |

  6. If A and B are two events such that P(A) = 0.5, P(B) =0.6 and P (A nnB...

    Text Solution

    |

  7. A problem is given to three students A, B and C whose probabilities of...

    Text Solution

    |

  8. A pair of fair dice is rolled. What is the probability that the second...

    Text Solution

    |

  9. A fair coin is tossed and an unbiased dice is rolled together. What is...

    Text Solution

    |

  10. If A, B, C are three events, then what is the probability that at leas...

    Text Solution

    |

  11. If two variables X and Y are independent, then what is thecorrelation ...

    Text Solution

    |

  12. Two independent events A and B are such that P (A uu B) = (2)/(3) an...

    Text Solution

    |

  13. If two fair dice are rolled then what is the conditional probability t...

    Text Solution

    |

  14. Two symmetric dice flipped with each dice having two side painted red,...

    Text Solution

    |

  15. There are n socks in a drawer, of which 3 socks are red. If 2 of the s...

    Text Solution

    |

  16. Five cards are drawn at random from a well shuffled pack of 52 playing...

    Text Solution

    |

  17. In eight throws of a die 5 or 6 is considered a success, find the mean...

    Text Solution

    |

  18. A and B are two events such that bar(A) and bar(B) are mutually exclus...

    Text Solution

    |

  19. A point is selected at random from the interior of a circle. The proba...

    Text Solution

    |

  20. If A and B are two eveuts, then what is the probability of occurrence ...

    Text Solution

    |