Answer:
It is a formal / non-sequitur fallacy.
Step-by-step explanation:
The sentence "Paul would make great class president because he is good at basketball" is an example of formal fallacy or more specifically non- sequitur where the conclusion of the sentence is in no way related to the claim. The reasoning pattern is logical but is not correct.The reasoning pattern is logical but is not correct. Here, the sentence claims that Paul is good in basketball but that doesn't mean he will make a great class president. Being a good basketball player has nothing to do with the position of being class president.