Cumulative distribution function

[D H]

$$y>\frac{z-1}{z+1}x==>z>\frac{y+x}{x-y}$$

In other words, your shaded triangle represents Pr(z>Z). That obviously is not the CDF, but it should also be obvious that it is closely related to the CDF. How?

 

[ulissess]

i don't understand very well..