The following data represent the monthly service fee in dollars if a customer's account falls below the minimum required $1,500 balance for a sample of 26 banks:
12 8 5 5 6 6 10 10 9 7 10 7 7 5 0 10 6 9 12 0 5 10 8 5 5 6
Construct a 99% confidence interval for the population mean monthly service fee in dollars if a customer's account falls below the minimum required balance.