Chances, probability (4)
I believe the answer is:
odds
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">chances</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(the odds of something happening)</span><br/ ><br/ >'<span class="explanation-format__original">probability</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that odds is a type of likelihood)</span><br/ ><br/ ></span>
(Other definitions for odds that I've seen before include "ten to one?" , "The likelihood of something occurring rather than not" , "Scraps" , "Betting ratio" , "(In betting) chances" .)