Explanation: There are 6 numbers and if spines twice other 6, if these are multiplied with each other there will be a total of 36 products or probabilities. On total there are four 12 2 x 6 3 x 4 4 x 3 6 x 2
When you are checking your answers, your formula should read out as 9(2.222) - 8 = 12, which is simply filing in the x value that you calculated (it comes out to 11.998 which is correct). You wrote it out as 9(2.22) - 8 = -6, which is why your checking process was incorrect
