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Sum of Scores of 2 Dice 2 3 4 5 6 7 3 4 5 6 7 8 4 5 6 7 8 9 5 6 7 8 9 10 6 7 8 9 10 11 7 8 9 10 11 12 1 2 3 4 5 6 1 2 3 4 5 6 How would you represent the.

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Presentation on theme: "Sum of Scores of 2 Dice 2 3 4 5 6 7 3 4 5 6 7 8 4 5 6 7 8 9 5 6 7 8 9 10 6 7 8 9 10 11 7 8 9 10 11 12 1 2 3 4 5 6 1 2 3 4 5 6 How would you represent the."— Presentation transcript:

1 Sum of Scores of 2 Dice 2 3 4 5 6 7 3 4 5 6 7 8 4 5 6 7 8 9 5 6 7 8 9 10 6 7 8 9 10 11 7 8 9 10 11 12 1 2 3 4 5 6 1 2 3 4 5 6 How would you represent the sum of scores on 2 dice? How would you represent the sum of scores on 3 dice?

2 2 3 4 5 6 7 3 4 5 6 7 8 4 5 6 7 8 9 5 6 7 8 9 10 6 7 8 9 10 11 7 8 9 10 11 12 1 2 3 4 5 6 1 2 3 4 5 6 Take all the possible sums of 2 dice and then imagine you get a one on the next dice. What would all the possible sums be for this scenario? 3 4 5 6 7 8 4 5 6 7 8 9 5 6 7 8 9 10 6 7 8 9 10 11 7 8 9 10 11 12 8 9 10 11 12 13

3 9 10 11 12 13 14 4 5 6 7 8 9 5 6 7 8 9 10 6 7 8 9 10 11 7 8 9 10 11 12 8 9 10 11 12 13 Take all the possible sums of 2 dice and then imagine you get a two on the next dice. 3 4 5 6 7 8 4 5 6 7 8 9 5 6 7 8 9 10 6 7 8 9 10 11 7 8 9 10 11 12 8 9 10 11 12 13 A reminder of the sum of three dice with the last number being one. Do we have to do this another four times or can anyone see a quicker way by looking at these two examples?

4 ScoreNumber of Occurences 31 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 3 6 10 15 21 25 27 25 21 15 10 6 3 1 1)What is the probability of scoring 10 when you roll 3 dice? (Decimal) 2)What´s the probability of scoring 18 when you roll three dice? (Decimal) 3)Why is the distribution symmetrical? 4)Can you see any special number sequences in the table? 5)Why does this sequence only exist up to a score of 8? 28 ???

5 3 4 5 7 86 4 5 7 8 96 5 7 8 9 106 7 8 9 10 11 7 8 9 10 11 12 8 9 10 11 12 13 6 First Layer 4 5 7 8 96 5 7 8 9 106 7 8 9 10 116 7 8 9 10 11 12 8 9 10 11 12 13 Second Layer 9 10 11 12 13 14 5 7 8 9 106 7 8 9 10 116 7 8 9 10 11 12 8 9 10 11 12 13 Third Layer 9 10 11 12 13 14 10 11 12 13 14 15 7 8 9 10 116 7 8 9 10 11 12 8 9 10 11 12 13 Third Layer 9 10 11 12 13 14 10 11 12 13 14 15 11 12 13 14 15 16 4+ 3+ 2+ 1= 10 different ways to get a 6 Why doesn´t a score of 9 fit the sequence?

6 We just figured out that the score of 10 should occur just as frequently as a score of 11. Why hasn´t this happened?

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