Distribution functions, Distr menu – Texas Instruments TI-83 PLUS User Manual
Page 427
TI-83 Plus
Inferential Statistics and Distributions
424
Distribution Functions
DISTR menu
To display the
DISTR
menu, press
y
=
.
DISTR
DRAW
1:normalpdf(
Normal probability density
2:normalcdf(
Normal distribution probability
3:invNorm(
Inverse cumulative normal distribution
4:tpdf(
Student-
t
probability density
5:tcdf(
Student-
t
distribution probability
6:
c
2
pdf(
Chi-square probability density
7:
c
2
cdf
Chi-square distribution probability
8:Üpdf(
Û
probability density
9:Ücdf(
Û
distribution probability
0:binompdf(
Binomial probability
A:binomcdf(
Binomial cumulative density
B:poissonpdf(
Poisson probability
C:poissoncdf(
Poisson cumulative density
D:geometpdf(
Geometric probability
E:geometcdf(
Geometric cumulative density
Note:
L
1
å
99 and 1
å
99 specify infinity. If you want to view the area left of
upperbound
, for example, specify
lowerbound
=
L
1
е
99.