Question 570845

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Here's the sample space:

<font size = 5>

&#9856;&#9856;   &#9856;&#9857;   &#9856;&#9858;   &#9856;&#9859;   <font color="red">&#9856;&#9860;  &#9856;&#9861;</font>

&#9857;&#9856;   &#9857;&#9857;   &#9857;&#9858;   &#9857;&#9859;   <font color="red">&#9857;&#9860;  &#9857;&#9861;</font>

&#9858;&#9856;   &#9858;&#9857;   &#9858;&#9858;   <font color="red">&#9858;&#9859;   &#9858;&#9860;  &#9858;&#9861;</font>

&#9859;&#9856;   &#9859;&#9857;   <font color="red">&#9859;&#9858;   &#9859;&#9859;   &#9859;&#9860;  &#9859;&#9861;</font>

<font color="red">&#9860;&#9856;   &#9860;&#9857;   &#9860;&#9858;   &#9860;&#9859;   &#9860;&#9860;  &#9860;&#9861;

&#9861;&#9856;   &#9861;&#9857;   &#9861;&#9858;   &#9861;&#9859;   &#9861;&#9860;  &#9861;&#9861;</font>

</font><pre>
Count the red ones.  There are 23.  That's 23 out of 36, so the 
probability you want is {{{23/36}}}

Edwin</pre>