Question 1192690
1. Pair of dice is rolled. What is the probability that the sum of the numbers rolled is either 7 or 11?
----------------
The possible sums are 2 to 12 inclusive ---> 11 possibilities.
Label the dice A and B:
For a sum of 7:
<pre>
A   B
1   6
2   5
3   4
4   3
5   2
6   1
</pre>
6 of 11 ---> 6/11
---------------------------
For a sum of 11:
<pre>
A   B
5   6
6   5
</pre>
2 possibilities ---> 2/11
7 or 11 ---> 8/11
==============================
Show why this doesn't work.