The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 14. A random sample of 420 salespeople was taken and the mean number of cars sold annually was found to be 68. Find the 96% confidence interval estimate of the population mean.

Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limits.

Confidence Interval =