Cumulative distribution Function( The cdf ox)] for a standard normal distribution a the area under the curve) 4h Prgsx=d(n= area to the left of r from -oo to x, cumulative Probability S(-∞,∞)=1 00 D Example: What is the probability of obtaining a z value of 0. 5 or The edf for a standard normal distribution (@(x) less? a We have 0013 15Cumulative distribution Function (  the area under the curve) from -∞ to x, cumulative Probability  Example: What is the probability of obtaining a z value of 0.5 or less?  We have 15 S(-, )=1