SOLUTION: A die is rolled twice. What is the probability of getting a sum greater than or equal to ten? I was thinking that it would be 1/12, Can someone please let me know if this is cor

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Question 339167: A die is rolled twice. What is the probability of getting a sum greater than or equal to ten?
I was thinking that it would be 1/12, Can someone please let me know if this is correct? Thank you:)
Answer by jim_thompson5910(35256) (Show Source):
You can put this solution on YOUR website!
Make a table detailing ALL the possible ways to roll two dice and their corresponding sum

1 2 3 4 5 6
1 2 3 4 5 6 7
2 3 4 5 6 7 8
3 4 5 6 7 8 9
4 5 6 7 8 9 10
5 6 7 8 9 10 11
6 7 8 9 10 11 12

Note: Each cell (not in bold) is the sum of the corresponding number in the first row and the first column (shown in bold). Ex: Say you roll a 6 and a 3. So you could choose the sixth row and intersect that with the 3rd column (or vice versa) to get 6+3=9

From the table, we can clearly see all the possible outcomes (there are 6*6=36 outcomes). Also, we can see from the table that there are 5 ways to roll a 10 or more (shown in red). So the probability is which is roughly 0.13889 (which is a 13.889% chance)

If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website.

Jim