Home
Class 12
MATHS
A fair die is tossed repeatedly until a ...

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses required.
The probability that `X=3` equals

A

`25/216`

B

`25/36`

C

`5/36`

D

`125/216`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Some New Pattern Problems

    A DAS GUPTA|Exercise Exercise|137 Videos

  • Screening Tests

    A DAS GUPTA|Exercise Exercise|38 Videos

  • Total Conditional Probability and Bayes' Theorem

    A DAS GUPTA|Exercise Exercise|29 Videos

Similar Questions

Explore conceptually related problems

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired. The probability that X=3 equals

A fair die is tossed repeatedly until a six is obtained Let X denote the number of tosses required The probability that X=3 equals

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired. The probability that ge3 equals

A fair die is tossed repeated until a six is obtained. Let X denote the number of tosses required. The probability that X ge 3 is

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired. The conditional probability that Xge6 given Xgt3 equals

A fair die is tossed repeatedly until a six obtained. Let X denote the number of tosses required. The conditional probability that X ge 6 given X gt 3 equals

A DAS GUPTA-Some New Pattern Problems-Exercise
  1. Let A be the set of all 3xx3 symmetric matrices all of whose either 0 ...

    Text Solution

    |

  2. Let A be the set of all 3xx3 symmetric matrices all of whose either 0 ...

    Text Solution

    |

  3. A fair die is tossed repeatedly until a 6 is obtained. Let X denote th...

    Text Solution

    |

  4. A fair die is tossed repeated until a six is obtained. Let X denote th...

    Text Solution

    |

  5. A fair die is tossed repeatedly until a six obtained. Let X denote the...

    Text Solution

    |

  6. Equation of the common tangent to the circle x^(2)+y^(2)=50 and the pa...

    Text Solution

    |

  7. If the events A and B are mutually exclusive events such that P(A) = (...

    Text Solution

    |

  8. Let s be the sum of all distinct real roots of f(x) and let t=mod(s)Th...

    Text Solution

    |

  9. Tangents are drawn from the point P(3,4) to be the ellipse x^2/9+y^2/...

    Text Solution

    |

  10. The tangents are drawn from the point P(3,4) to the ellipse x^2/9+y^2/...

    Text Solution

    |

  11. Tangents are drawn from the point P(3,4) to the ellipse x^2/9+y^2/4=1 ...

    Text Solution

    |

  12. Match the following (more than one may match with the same).

    Text Solution

    |

  13. Match the following (more than one may match with the same).

    Text Solution

    |

  14. Let aa n db be the roots of the equation x^2-10 c x-11 d=0 and those o...

    Text Solution

    |

  15. Complete the following statements. and bn=1-an then the smallest na...

    Text Solution

    |

  16. If f(x) is a twice differentiable function such that f(a)=0, f(b)=2, f...

    Text Solution

    |

  17. Consider the planes 3x-6y-2z=15a n d2x+y-2z=5. Statement 1:The parame...

    Text Solution

    |

  18. Let the vectors vec(PQ),vec(QR),vec(RS), vec(ST), vec(TU) and vec(UP) ...

    Text Solution

    |

  19. Tangents are drawn from the point (17, 7) to the circle x^2+y^2=169, S...

    Text Solution

    |

  20. The lines L(1) : y - x = 0 and L(2) : 2x + y = 0 intersect the line ...

    Text Solution

    |