Ma part of a survey, a marketing representative asks a random sample of 28 business owners how much they would be willing to pay for a website for their company. She unds that the sample standard deviation is $3370. Assume the sample is taken from a normally distnbuted population. Canstruct 90% confidence intervals for (a) the population vanance a2 and (b) the population standard deviation σ, Interpret the results. (a) The confidence interval for the population variance is i (Rinund to the nearest integer as needed)