For my problem I chose male heights. The average height of males age 20+ in the US in 2015 was said to be 69". I believe it is greater today. Given a sample mean (xbar) of 69 and a population standard deviation sigma (o) of 2 with a Population mean of 69". we will take a sample size of 100(n) 20+ year old males, find the z value and p value. Test the claim that u> 69. Use 0.5 for your alpha. 3 (Ctr)