The image shows a normal distribution curve with the shaded area between $$z_1$$ and $$z_2. $$What does the shaded area represent?

Question

Accepted Answer

The probability that a standard normal random variable $$Z$$ falls between $$z_1$$ and $$z_2$$, i.e., $$P(z_1$ \u003c Z \u003c z_2$).$$

Probability and Probability Distributions: Core Concepts for Statistics