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Thread: Maths question

  1. #1
    Respected Member Ako Si Jamie's Avatar
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    Maths question

    This not a trick question.

    Tom rolls a dice three times and the number 2,3 and 5 appear.

    If Tom rolls the dice another three times, what is the probability of a 6 appearing?

    I reckon it's 1 in 6 but I could be wrong.


  2. #2
    Moderator Arthur Little's Avatar
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    Quote Originally Posted by Ako Si Jamie View Post
    This not a trick question.

    Tom rolls a dice three times and the numbers 2,3 and 5 appear.

    If Tom rolls the dice another three times, what is the probability of a 6 appearing?

    I reckon it's 1 in 6 but I could be wrong.
    ... possibly! ... it seems a bit too "dicey" to be sure!


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    What came up previously cannot have any bearing on what will come up next. Thus I would agree, each time one rolls a dice it is a 1 in 6 chance of a particular number coming up.


  4. #4
    Respected Member Ako Si Jamie's Avatar
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    Quote Originally Posted by Arthur Little View Post
    ... possibly! ... it seems a bit too "dicey" to be sure!
    Ha good one Arthur


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    Respected Member Ako Si Jamie's Avatar
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    Quote Originally Posted by johncar54 View Post
    What came up previously cannot have any bearing on what will come up next.
    Yep, I think you're right


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    Quote Originally Posted by johncar54 View Post
    What came up previously cannot have any bearing on what will come up next. Thus I would agree, each time one rolls a dice it is a 1 in 6 chance of a particular number coming up.


    The probability of a six in any single roll of the dice is 1/6 which equates to 16.667%

    Interestingly, when you make a single roll of 2 dice, there is a probability of only 30.5 % of at least one 6 turning up.


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