The deciles of any distribution at the points tht mark off the lowest 10% and the highest 10%. The deciles of a density curve are therefore the points with are 0.1 and 0.9 to their left under the curve.
a) What are the declies of the standard Normal distribution?
b) The heights of young women are approximately Normal with mean 64.5 inches and standard deviation 2.5 inches. what are the declies of this distribution? show your work.