I have 2 problems that are kind of confusing me.
The assumptions are the same for both.
Help on either of them would be appreciated
Let 'z' be a standard normal random variable. Let '\phi ' be the
standard normal pdf and '\Phi ' be the standard normal cdf.
1. Show that
2. Show that
I'm not sure if this would fit better here in calculus or in statistics, please tell me if I should put it in statistics.