Can yawns be contagious

Why do we learn how to calculate the distance of a parabola in 10th grade but not what a 401k is?

17. explain why or why not you might choose to utilize alternative, complimentary, and integrative/or medicine. explain how these types of medicine are different from traditional (orthodox) medicine?

Glaucoma is an eye disease that is manifested by high intraocular pressure (iop). the distribution of iop measurements in the general population is approximately normal with mean 16 mm hg and standard deviation 3 mm hg. a random sample of 9 people is selected from the general population. the sample mean iop is 17.2 mm hg with a sample standard deviation of 3.9 mm hg. a) the mean of the sampling distribution of x is 16 mm hg. b) the standard deviation of the sampling distribution of x is 1.3 mm hg. c) the sample mean of every sample of size 9 will be 17.2 mm hg d) none of the answers are true. e) exactly 2 of the answers are true.