A coffee shop owner is interested in determining what people think about the new coffee flavor. Which of the following is the population of the situation?

The first 50 customers who bought the new coffee
100 random customers
All customers who bought the new coffee
all customers who did not buy the new coffee

The third option: all customers who bought the new coffee, would be the population of the situation, as they are the group of interest in determining what people think about the new coffee flavor.