normalpdf, normalcdf, and invnorm

The three TI83/84 features dealing with normal distributions and how they are (or could be) used.

[donnapodhurst]

Some will understand when all they are told is ''''use technology'''' it just does not cut and a good explanation DOES. ---- T.Y. for the good explanation.

[rSiham]

Thank you so much sir your explanation is incredible and I am really appreciative of that

[joan]

you saved me so much time thank you and God bless you!!!

[freijawow]

thanks man. I was quickly in need of the difference between pdf and cdf

[Sim-dmkr]

Actually, normalpdf finds the percentile for a particular z-score. Basically, it finds the area made to the left. It doesn't give the height, it gives area.

[Whimsicalf]

You just made my life much easier! Thanks

[chicken_stewer]

This will be very helpful! Thanks a lot

[qwe]

thank you so much!!!
it really helps a lot