Bell Curve: 68-95-99 Rule
View the Lesson | MATHguide homepage Updated March 8th, 2018

Status: Waiting for your answers.




Problem: Given a mean of 82.5 and a standard deviation of 20, determine the intervals defined by the 68-95-99 rule.
 
Bell Curve Standard Deviation
 
Solution:
68%:[, ]
95%:[, ]
99%:[, ]