Asked by Tracy Bryant on Sep 27, 2024
Given that Z is a standard normal random variable,the area to the left of a value z is expressed as
A) P(Z ≥ z)
B) P(Z ≤ z)
C) P(0 ≤ Z ≤ z)
D) P(Z ≥ −z)
Standard Normal
A normal distribution with a mean of zero and a standard deviation of one, used as a basis for comparison with other normal distributions.
Random Variable
A variable that takes on different values randomly, each with a particular probability associated with it.
- Decode the significance of the probability associated with a Z-score in a standard normal distribution.
Learning Objectives
- Decode the significance of the probability associated with a Z-score in a standard normal distribution.