is denoted by
has value
variance
standard normal distribution
0
1
Alejandra Gonzalez-Beltran
Orlaith Burke
Philippe Rocca-Serra
dnorm(x, mean = 0, sd = 1, log = FALSE)
http://stat.ethz.ch/R-manual/R-patched/library/stats/html/Normal.html
standard normal distribution is a normal distribution with variance = 1 and mean=0
we need to formally set value for mean and variance
normal distribution
expected value
ready for release