The sandwich chain was embarrassed to find out that the mean length of a "foot long" sandwich is less than a foot. They made some changes and asked you to repeat your study with a random sample of 40 sandwiches. The mean for this new random sample is 12.08 with a standard deviation of 0.2. The 95% confidence interval is _____. The 99% confidence interval is _____. Confidence Level (as a percent) -value 90 1.645 95 1.960 99 2.576 95% interval is 12.02 to 12.14; 99% interval is 12.00 to 12.16 95% interval is 12.00 to 12.16; 99% interval is 12.02 to 12.14. 95% interval is 12.03 to 12.13; 99% interval is 12.00 to 12.16. 95% interval is 12.02 to 12.14; 99% interval is 12.03 to 12.13