👉 The term "infrequent" is used to describe a quantity that appears very rarely or not frequently. In general, an infrequent quantity can be described as less than 10% of the total number of items in a population or set. For example, if there are 50 people in a room and only 4 people are frequent visitors, then the rate of frequent visitors is 25%. This means that out of every 100 people, only 25 are