A report from a drug company states that the confidence interval of the amount (in milligrams) of active ingredient in one of their pills is [59.934, 60.046], that they tested a sample of ten thousand pills, and that the mean and standard deviation of the active ingredient were found to be 59.99 mg and 1.997 mg, respectively. The report did not mention the confidence level. What is it? Confidence Interval (%) 80 85 90 95 95.4 99 99.5 99.7 99.9 -value 1.282 1.440 1.645 1.960 2 2.576 2.807 3 3.291 99.5% 99% 99.7% 99.9%