see below for question?

Question

The random variable Z has a standard normal distribution.
a) What is the mean of Z?
b) What is the standard deviation of Z?
c) Find P( Z = 1.23)
d) Find P( Z < 1.23)
e) Find P( Z > -2.35)
f) Find P( -1.56 < Z < 2.74 )

Answer 1

You gotta be kidding. If you're in the class you should be able to easily do those, especially a and b!