correct, the opposite of overfitting is underfitting, knowing that whenever you talk to joe you get punched, and you have 10 training examples, but this time is

correct, the opposite of overfitting is underfitting, knowing that whenever you talk to joe you get punched, and you have 10 training examples, but this time is different, he's wearing his brown shirt, so it's probably safe now. not finding the signal from the noise, because joe hitting me 10 times in a row is not conclusive, because most humans never hit me. and joe is wearing new clothing, so it's safe because joe is a human.