<p>I just found this about the acceptance rate by school.
<a href=“https://www.bucknell.edu/campus-life/class-pages-in-pictures/class-of-2017/class-of-2017-profile.html”>https://www.bucknell.edu/campus-life/class-pages-in-pictures/class-of-2017/class-of-2017-profile.html</a>
The arts and humanities and the school of physical and natural sciences have acceptance rates of about 39% whereas people who apply undecided are only accepted about 27% of the time. So I would suggest not applying undecided.</p>