Final answer:
The statement in the question is false because Argus Filch is a Squib, not a Muggle. A Muggle refers to a non-magical person born to non-magical parents, while a Squib is non-magical but from a wizarding family.
Step-by-step explanation:
The statement regarding Argus Filch, the caretaker of Hogwarts in the Harry Potter series, is false. Argus Filch is indeed a non-magical person, but he is not from a wizarding family, which makes him a Squib, not a Muggle. A Muggle is someone who is born to two non-magical parents and has no magical abilities or background. A Squib, on the other hand, is someone who is born to at least one magical parent but does not possess magical abilities themselves. Argus Filch, being a Squib, is an example of a non-magical person born into the wizarding world.