As part of a survey, a marketing representative asks a random sample of 27 business owners how much they would be willing to pay for a website for their company. She finds that the sample standard deviation is $3307. Assume the sample is taken from a normally distributed population. Construct 99% confidence intervals for (a) the population variance of and (b) the population standard deviation o. Interpret the results. (a) The confidence interval for the population variance is () (Round to the nearest integer as needed.)