Normal Distribution Calculator

Site Home

Maths Home

Site Index

Calculator Index

About Us

Privacy Policy

Enter the mean and standard deviation for the distribution. Enter the chosen values of x1 and, if required, x2 then press Calculate to calculate the probability that a value chosen at random from the distribution is greater than or less than x1 or x2, or lies between x1 and x2.

μ Mean
σ Standard Deviation
P(X < X1)       probability x is less than x1
P(X > X1)       probability x is greater than x1
P(X < X2)       probability x is less than x2
P(X > X2)       probability x is greater than x2
P(X1 < X < X2)       probability x lies between x1 and x2
"There should be a Graph here but Canvas is not supported in your browser"

HTML 5  ✔

Whilst I try to keep the information on this site accurate, I'm only human and I do occasionally make mistakes. I therefore advise you to check any information before using it for anything important. If you do find any errors, please let me know so that I can correct them.

Click here to report an error on this page.

This page was last changed on: 16 September 2017.

Thanks for visiting my site.
This site uses cookies; click here for details.
If you continue to use this site I'll assume you're happy to accept this.