Chapter 05, Section 5.4, Problem 034 According to a survey, 16% of the car owners

Chapter 05, Section 5.4, Problem 034 According to a survey, 16% of the car owners said that they get the maintenance service done on their cars according to the schedule recommended by the auto company. Suppose that this result is true for the current population of car owners.

Let x be a binomial random variable that denotes the number of car owners in a random sample of 13 who get the maintenance service done on their cars according to the schedule recommended by the auto company. What are the possible values that x can assume?