agreed- title vs what is written in twitter is a bit misleading than what the code actually does. at first glance it is far too easy to assume the random number

agreed- title vs what is written in twitter is a bit misleading than what the code actually does. at first glance it is far too easy to assume the random numbers will be around 7500 - but in reality folks may not understand stddev's, and that the random number produced in this method can still yield a negative (just with less likelihood)