TI-89 / TI-92 Plus / Voyage™ 200 PLT Statistics with List Editor App ‡ Distr (Distribution) Menu 136
Binomial Pdf
Description
‡ (
Distr) Æ B:Binomial Pdf
Binomial Pdf
computes a probability at X Value for the discrete binomial distribution with
the specified
Num Trials, n and Prob Success, p on each trial.
The probability density function (pdf) is:
fx
n
x
pp x n
xnx
() ( )=
-=
-
101,,,,K
where n = number of trials
Inputs
Num Trials, n A total number of binomial events; must be an integer > 0.
Prob Success, p A probability of success of a single event. 0 p 1 must be true.
X Value An optional scalar or list of integer event numbers. If X is not provided,
then X={0,1,2,3.,n} or number of trials.
Outputs
Pdf A binomial pdf value or list of values. Values are stored to pdf.
X Value A scalar or list of integer event numbers.
n A total number of binomial events.
p A probability of a single event success.
Output statistic variables are stored in the STATVARS folder.
Example
1. To select
B:Binomial Pdf, press:
¦ ‡(Dist) j B for the TIL89
¦ ‡ (Dist) B for the TIL92 Plus / Voyage™ 200 PLT
to display the input Binomial Pdf dialog box.
2. Enter the arguments as shown below
3. Press b to compute the data. Press b again to view the
Pdf values in the list
editor.
Note: The Results"Editor must be ON in order to automatically append results to the list editor. To
enter the FORMATS dialog box press ¥ Í for the TI-89; press ¥ Ô for the
TI-92 Plus / Voyage™ 200 PLT.
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