Respuesta :
In a normal distribution, the answer will always be 0. Furthermore is a standard of U
For a standard normal distribution, the standard deviation is always equals 1
What is z score?
Z score is used to determine by how many standard deviations the raw score is above or below the mean.
It is given by:
z = (raw score - mean) / standard deviation
For a standard normal distribution, the standard deviation is always equals 1
Find out more on z score at: https://brainly.com/question/25638875