I show you how to calculate Z-scores and find areas under the bell curve…p-values. I will also show you how to find statistics from areas under the curve…such as quartiles.
You can find p-values with a calculator as well. This is what it looks like on a TI-NSPIRE
TI-NSPIRE Z score to Pval & Pval to Zscore NormCDF invNorm
Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com