Consider each situation described below. Identify the population and the sample, explain what the parameter p or or m represents, and tell whether the methods of this chapter can be used to find a confidence interval. If so, find the interval.

(a) The service department at a new car dealer checks for small dents in cars brought in for scheduled maintenance. It finds that 22 of 87 cars have a dent that can be removed easily. The service department wants to estimate the percentage of all cars with these easily repaired dents.