Question

The service department at a new car dealer checks for small dents in cars brought in for scheduled maintenance. It finds that 31 of 96 randomly-sampled 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. Check the conditions, construct a plus-four confidence interval to estimate the percentage with 99% confidence, and write it in a complete sentence related to the scenario.

Answer 1

Number of sample taken = n= 96