In the standard normal distribution:
|A|| Is skewed to the left
|B||Has mean = 1|
|C||Has standard deviation = 0|
|D||Has variance = 1|
Ref : Park 22nd Edi., Pg. 792, Ref : Park 22nd Edi., Pg. 792
a. A standard normal distribution curve is also known as Z distribution curve.
b. It has Mean = 0 and SD = 1 and also all other features like a normal distribution curve.
c. Variance = SD2 , hence in a standard normal distribution curve variance is also 1.