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Do you know that number of a dice add up to 7 on opposite faces. Draw a net of the dice and number the correct faces. |
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Answer» The design as a whole is to provide a randomly determined integer from one to six, each of those values being equally likely to militate against concerns that the faces of dice cause a small bias. For a single roll of a fair s-sided die, the probability of rolling each value is exactly 1/s-an of a discrete uniform distribution. For n multiple rolls, with a s-sided die the possibility space is equal to sn. So, for n rolls of an s-sided die the probability of any result is 1/sn. As the number of dice increases, the distribution of the sum of all numbers tends to normal distribution by the central limit theorem. If you take the numbers 1,2....6 then add opp faces! You could have 1+2=3. 4+5=9. remember you could have other combination,,this is random, but for the example chosen.......It only leaves,the two numbers we have not used 6,3,,6+3=9 |
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