Here are the probabilities that Texas beats their remaining opponents:
West Virginia: 43.9%
Kansas: 94.3%
TCU: 50.6%
Here are the probabilities that Texas wins at least n more games:
1 game: 98.4% (bowl eligible)
2 games: 69.4%
3 games: 20.9%
Texas managed to hold onto a win on Saturday despite a lot of mistakes, including a heartbreaking (questionable?) turnover that resulted in a 14-point swing. In so doing, they now find themselves in a pretty good spot with respect to finishing out the season in a respectable fashion.