Question #3: (15 pts) A random sample of n=9 structural elements is tested for compressive strength. We know the true me
Posted: Mon Apr 11, 2022 6:19 am
Question #3: (15 pts) A random sample of n=9 structural elements is tested for compressive strength. We know the true mean value for compressive strength u = 5500 psi and the standard deviation is o = 100 psi. Find the probability that the sample mean compressive strength exceeds 4985 psi.