Fabiana is beginning to realize that so-called "surprise quizzes" in her math class really aren't too much of a surprise at all, since they tend to occur every week. accordingly, she accepts that fact and regularly reviews the course material. this example best illustrates that

I Believe the answer is: events beyond our control can still be predictable
This type of prediction tend to be in order to create a safety net for us in case some sort of undesirable event happen to us.
Other implication would be when we're always bringing a pepper spray as a protection from potential harasser on the street.