CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
normCdf(
Returns the probability that a normally distributed value lies between two bounds.
Syntax
normCdf(LowBound, UpBound[, μ[, σ]])
- Group
- Distributions
- Arguments
- Takes the lower and upper bound and optional mean μ and standard deviation σ, which default to 0 and 1.
- Availability
- Included
- Origin
- On the TI-89 Titanium this command comes with the preinstalled Stats/List Editor app
Example
| Input | Result |
|---|---|
| normCdf(-1,1) | 0.682689492137 |
Typing normCdf(-1,1) on the home screen and pressing ENTER returns 0.682689492137.
Related commands
- normPdf(Returns the probability density of the normal distribution at a value.
- poissCdf(Returns the cumulative Poisson probability for a range of counts.
- poissPdf(Returns the Poisson probability of exactly a given count.
- tCdf(Returns the Student t distribution probability between two bounds.
- tPdf(Returns the probability density of the Student t distribution at a value.
- binomCdf(Returns a cumulative binomial probability, the chance of a number of successes within a range.
- binomPdf(Returns the binomial probability of exactly a given number of successes.
- chi2Cdf(Returns the χ² distribution probability between two bounds.