Question:

When Kiran runs the 400 meter dash, his finishing times are

Last updated: 7/5/2022

When Kiran runs the 400 meter dash, his finishing times are

When Kiran runs the 400 meter dash, his finishing times are normally distributed with a mean of 65 seconds and a standard deviation of 0.5 seconds. Using the empirical rule, what percentage of races will his finishing time be between 64.5 and65.5 seconds?