Please answer let question b by filling in the blank

Refer to the accompanying data display that results from a sample of airport data speeds in Mops. Complete TInterval parts (a) through (c) below. (13.046,22.15) x = 17.598 Sx = 16.01712719 n = 50 a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place, round the confidence interval limits accordingly. 13.05 Mbps