Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 249

DISTR DRAW
A: binompdf(
B: binomcdf(
C: poissonpdf(
D: poissoncdf(
E: geometpdf(
F: geometcdf(
L1â99 and 1â99 specify infinity. If you want to view the area left of
Note:
specify = L1â99.
lowerbound
normalpdf(
computes the probability density function (
normalpdf(
value. The defaults are mean m=0 and standard deviation s=1. To plot the normal distribution,
x
paste to the Y= editor. The probability density function (pdf) is:
normalpdf(
–
( x μ
–
– ------------------ -
1
2
f x ( )
-------------- e
=
2σ
2πσ
[
normalpdf(x , m , s] )
For plotting the normal distribution, you can set window variables
Note:
mean m falls between them, and then select
normalcdf(
computes the normal distribution probability between
normalcdf(
specified mean m and standard deviation s. The defaults are m=0 and s=1.
Binomial probability
Binomial cumulative density
Poisson probability
Poisson cumulative density
Geometric probability
Geometric cumulative density
2
)
σ >
, 0
Note: For this example,
Xmin = 28
Xmax = 42
Xscl = 1
Ymin = 0
Ymax = .2
Yscl = .1
Chapter 13: Inferential Statistics and Distributions
) for the normal distribution at a specified
pdf
from the
0:ZoomFit ZOOM
lowerbound
, for example,
upperbound
and so that the
Xmin Xmax
menu.
and for the
upperbound
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