Which of the following is NOT a characteristic of the normal probability distribution? A) Positively-skewed B) Bell-shaped C) Symmetrical D) Mean Mode and median are all equal Solution Positively-skewed is NOT a characteristic of the normal probability distribution A) Positively-skewed Characteristics of normal probabiity ditribution 1. The mean, median, and the mode are equal 2. It is Symmetrical 3. It is bell shaped.