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A sample space diagram for two dice shown in a two way table, labelled as dice 1 and dice 2. The totals are shown in the boxes. For example, reading down a score of 1 from dice 1, and reading across a score of 4 from dice 2, the total is shown as 5. The totals inside the two way table go from 2 to 12. There are diagonal patterns with 7 being the most common total, found in the longest diagonal of the square grid.

 5.3 Calculating theoretical probability