8.16 Would you recommend the service to a friend? An automobile dealership asks all its customers who used its service department in a given two-week period if they would recommend the service to a friend. A total of 250 customers used the service during the two-week period, and 210 said that they would recommend the service to a friend.

1. (a) Identify the sample size and the count.

2. (b) Calculate the sample proportion.

3. (c) Explain the relationship between the population proportion and the sample proportion.