Use the sample information x-x = 36, o = 6, n = 11 to calculate the following confidence intervals for u assuming the sample is from a normal population. (a) 90 percent confidence. (Round your answers to 4 decimal places.) The 90% confidence interval is from 33.0241 33.0241 Correct to 38.9759 38.9759 Correct (b) 95 percent confidence. (Round your answers to 4 decimal places.) The 95% confidence interval is from 32.4542 32.4542 Correct to 39.5458 39.5458 Correct (c) 99 percent confidence. (Round your answers to 4 decimal places.) The 99% confidence interval is from 31.3398 31.3398 Correct to 40.6602 40.6602 Correct