Please do the same when n=60 and when n=80 a lower and upper limit

Construct a 90% confidence interval to estimate the population mean when x = 132 and s = 28 for the sample sizes below. a) n = 20 b) n = 60 c) n = 80 Click here to view page 1 of the critical t-score table. Click here to view page 2 of the critical t-score table. a) The 90% confidence interval for the population mean when n = 20 is from a lower limit of | to an upper limit of]. (Round to two decimal places as needed.)