<PRE><B>Question 1138790</B>
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There were 16 presidents from 1774 to 1788.
Each of the five students in a seminar in American history chooses one of these  presidents.
If all presidents are equally likely to be chosen, calculate the probability that at least two students choose the same president.
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&quot;There were 16 presidents from 1774 to 1788.&quot;




&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Are you sure ?  - I am not.



&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;This your statement is WRONG.



&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;When you come with such a problem, you must be double accurate with your formulations . . . 



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