You are researching the average length of time an accused remains in custody before making bail. Your sample mean (x) is 10 days, and you've calculated the standard error to be 2 days (based on your sample standard deviation and sample size). You would like to create a confidence interval with a 99% confidence level, by using the formula = x +/- z * s.e. What is your confidence interval? Remember, after calculating your confidence interval, make sure to write your confidence interval in a sentence