Regarding Exercise 5.4, how might an observer employ the law of large numbers to verify the classical probability that you identified?

In Exercise

Electric meters on private homes in a community register the cumulative consumption of kilowatt-hours with a five-digit reading. If a home in the community were randomly selected, it’s possible that the right-hand digit (which spins the fastest) would be a “7.” Using the concept of classical probability, what is the probability that the digit is a “7”?