The lengths of pregnancies in a small rural village are normally distributed with a mean of 262 days and a standard deviation of 17 days. If we were to draw samples of size 35 from this population, in what range would we expect to find the middle 68% of most averages for the lengths of pregnancies in the sample?

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.

Which consequence of drug abuse most directly affects the community? a. fines b. criminal record c. loss of driver’s license d. incarceration

What are the various treatments for the different diabetic conditions?