Can someone please answer this

Homework: Assignment 7.3 Save es Score: 0.2 of 1 pt 3 of 13 (13 complete) HW Score: 72.31%, 9.4 of 13 pts Help me 7.3.7-T Question Help Use the given information to find the number of degrees of freedom, the critical values y? and Xp, and the confidence interval estimate of o. It is reasonable to assume nts that a simple random sample has been selected from a population with a normal distribution. Platelet Counts of Women 99% confidence; n = 21, s = 65.8. Click the icon to view the table of Chi-Square critical values. Contents df = 20 (Type a whole number.) lia Libra k (Round to three decimal places as needed.) Options