Question 140428
with 2 spins, there are 144 (12*12) possible pairs __ to get 17 or more, the possibilities are


12 with 5 or more __ 8
11 with 6 or more __ 7
10 with 7 or more __ 6
__ see the pattern? __ so 36 out of 144 or 1/4



with 3 spins __ 12*12*12 or 1728 possible triplets


1,1 with 4 or less __ 4
1,2 with 3 or less __ 3
2,1 with 3 or less __ 3
2,2 with 2 or less __ 2
1,3 with 2 or less __ 2
3,1 with 2 or less __ 2
1,4,1
4,1,1
2,3,1
3,2,1
__ so 20 out of 1728 or 5/432