Here are summary statistics for randomly selected weights of newborn girls:

n=36, x=3180.6, s=700.5 g. Use a confidence level of 99% to complete parts (a) through (d) below.

Write A

a. Identify the critical value t/2 used for finding the margin of error.

b. Find the margin of error.

c. Find the confidence interval estimate of .

d. Write a brief statement that interprets the confidence interval. Choose the correct answer below.