4. (5 pts) Shop owners (N = 15) who called in a robbery in progress to the police were asked to report the total length of time it took for police to respond. The mean response time was 6.25 minutes (s = 2.50). Construct a 99% confidence interval around this sample mean and interpret the interval in words. X = 6.25 Need to figure out the 99% confidence interval (Hint use the formula for t-table) S = 2.25 N = 15