Home
Class 12
MATHS
Two fair dice are rolled. What is the pr...

Two fair dice are rolled. What is the probability of getting a sum of 7 ?

A

`(1)/(6)`

B

`(1)/(3)`

C

`(1)/(12)`

D

`(5)/(36)`

Text Solution

Verified by Experts

The correct Answer is:
A
Total case=`6xx6=36`
Favourable=`(1,6),(2,5),(3,4),(4,3),(5,2),(6,1)`
Probability `=(6)/(36)=(1)/(6)`
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

A pair of dice is rolled. What is the probability of getting a sum of 2?

Two unbiased dice are rolled. What is the probability of getting a sum which is neither 7 nor 11 ?

A dice is rolled once. What is the probability of getting : a 3 ?

What is the probability of getting a sum 9from two throws of a dice?

Two different dice are rolled together. Find the probability of getting a sum of 10 of the numbers on the two dice.

Two dice are rolled simultaneously. What is the probability of getting 3 on first die?

On rolling two dice at once, what is the probability of getting a sum of doublets less than 5?

NDA PREVIOUS YEARS-PROBABILITY AND PROBABILIYT DISTRIBUTION-Multiple Choice Question
  1. Consider a random experiment of throwing together a die and two coins....

    Text Solution

    |

  2. In throwing a six faced die, let A be the event that an even number oc...

    Text Solution

    |

  3. Two fair dice are rolled. What is the probability of getting a sum of ...

    Text Solution

    |

  4. Four coins are tossed simultaneously. What is the probability of getti...

    Text Solution

    |

  5. A bag contins 5 black and 3 white balls. Two balls are drawn at random...

    Text Solution

    |

  6. If A and B are any two events such that P(overset()A)=0.4, P(overset()...

    Text Solution

    |

  7. A fair coin is tossed repeatedly. The probability of getting a result ...

    Text Solution

    |

  8. Two number are successively drawn from the set U={1,2,3,4,5,6,7,8} the...

    Text Solution

    |

  9. Two number are successively drawn from the set U={1,2,3,4,5,6,7,8} the...

    Text Solution

    |

  10. The binomial distribution has:

    Text Solution

    |

  11. A bag contians balls of two colours, 3 black and 3 white. What is the ...

    Text Solution

    |

  12. If three events A,B,C are mutually exclusive, then which one of the fo...

    Text Solution

    |

  13. A and B are two independent events such that P(A)=(1)/(5), P(A cup B)=...

    Text Solution

    |

  14. If a binomial distribution, the occurrence and the non-occurrence of a...

    Text Solution

    |

  15. A die is tossed twice. What is the probability of getting a sum of 10?

    Text Solution

    |

  16. Three dice are thrown. What is the probability of getting a triplet?

    Text Solution

    |

  17. Consider the following statements: 1. If A and B are exhaustive even...

    Text Solution

    |

  18. Which one of the following may be parameter of a binomial distribution...

    Text Solution

    |

  19. Describe the sample space for the indicated experiment : A coin is...

    Text Solution

    |

  20. If P(A)=(2)/(3), P(B)=(2)/(5) and P(A cup B)-P(A cap B)=(2)/(5) then w...

    Text Solution

    |