v'": Homework #7 (Chapter 4, Section 4] - AMAT 108 (MW 4230 PM - 5:50 PM), se... [-I1.11 Points] DETAILS MY NOTES | ASK YOUR TEA Suppose that the mean weight for men 18 to 24 years old is 170 pounds, and the standard deviation is 20 pounds. In each part, nd the value of the standardized soore (z-score) for the given (a) 203 pounds. 2 = (b) 141 pounds. 2 = (c) 174 pounds. 2 : (d) 233 pounds. 2 = [I1.12 Points] DETAILS MY NOTES | ASK YOUR TEA The length of pregnancies of humans has a mean of 265 days and a standard deviation of 10 days. (a) What is the value for k for the length of pregnancies in the interval between 250 and 280 days? At least what percentage of pregnancies ls between 250 and 280 days? (Round your answer to one decimal place.) n/o (b) At least what percentage of pregnancies ls between 237.5 and 292.5 days? (Round your answer to one decimal place.) 0/0