This has two parts, please refer to both pics for thorough explanation. Thank you.

A random sample of30 lunch orders at Noodles & Company showed a standard deviation of $5.31. Find the 90 percent condence interval for the population standard deviation. Use Excel to obtain xi : CH]SQ.INV(Q{2, d. f.) and xii, : CHISQJNV.RT(Q{2, d. f.) {Round youranswersto Zdecimal places.) The 90% confidence interval is from |:| to |:| . The length of a certain kind of Colorado brook trout is normally distributed with a mean of 12.5 inches and a standard deviation of 1-6 inches. What minimum size limit should the Department of Natural Resources set if it wishes to allow people to keep 79 percent ofthe trout they catch? (Round your answer to 2 decimal places.) Minimum size limit :] inches