State an example of a variable that follows a normal distribution. State one way knowing this is useful in your professional or personal life. Briefly elaborate on your example.

Normal distribution

https://mediaplayer.pearsoncmg.com/assets/_jGvVe5Jbkm44I2D0TWEMnsz6A6Y7fin
Please read the following carefully. I need a discussion post on the following topic with an example mathematical problem.

This video explains what the normal distribution is and gives examples of normal distributions in the natural and social world. The distribution of the number of heads thrown on 20 coins, the weight of ants, and the age of marathon runners are all approximately normal distributions. Thus, the normal distribution is what often happens when we chart a large number of random events.
Option 2

State an example of a variable that follows a normal distribution.
State one way knowing this is useful in your professional or personal life.
Briefly elaborate on your example.