The answer should be Judge Taylor hoped Atticus would defend Tom well because Judge Taylor knew that Atticus was the only lawyer that would explain this case in a way that would be heard instead of it being dismissed immediately.
there is a good chance that Tom would go free on appeal
Explanation:
In To Kill a Mockingbird, when Jem realizes that judge Taylor purposefully picked Atticus to defend tom, he comes to understand that there is a good chance that Tom would go free on appeal .