<PRE><B>Question 763966</B>
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Depends on the composition of the group of bills from which the three are selected.  For example:  Draw three bills from a pile of twentys and fiftys.  The probablity of a sum equal to $25 is zero.   You need to know the number of ways that you can pull exactly 2 tens and 1 five from your pile.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
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My calculator said it, I believe it, that settles it
&lt;div style=&quot;text-align:center&quot;&gt;&lt;a href=&quot;http://outcampaign.org/&quot; target=&quot;_blank&quot;&gt;&lt;img src=&quot;http://cdn.cloudfiles.mosso.com/c116811/scarlet_A.png&quot; border=&quot;0&quot; alt=&quot;The Out Campaign: Scarlet Letter of Atheism&quot; width=&quot;143&quot; height=&quot;122&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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