Examples w/ Normal Distribution. Probability, Percentiles: normalcdf() invNorm() TI-83 TI-84

Описание: This video describes how to use a TI-83 or TI-84 to determine the area under a Normal Distribution with any mean and standard deviation. (You don't have to use z-scores!)

It also covers finding percentiles.

#41 Featuring our old friend normalcdf( )
"What proportion of pregnancies last ________"


09:55 #47 Introducing a new function, invNorm() !!
This will find a percentile.
"35% of pregnancies last longer than ______ days"