Texas Instruments TI-84 - Manual (Page 385)

Chapter 13: Inferential Statistics and Distributions 382
0 
p
1 must be true.
x can be an integer or a list of integers. The probability density
function (pdf) is:
geometpdf(p,x)
geometcdf( geometcdf( geometcdf( geometcdf(
geometcdf( computes a cumulative probability at x , the number of the trial on which the
first success occurs, for the discrete geometric distribution with the specified probability
of success
p . 0 
p
1 must be true.
x can be a real number or a list of real numbers.
geometcdf(p,x)
Distribution Shading Distribution Shading Distribution Shading Distribution Shading
DISTR DRAW Menu DISTR DRAW Menu DISTR DRAW Menu DISTR DRAW Menu
To display the DISTR DRAW menu, press
y = ~.
DISTR DRAW instructions draw
various types of density functions, shade the area specified by lowerbound and upperbound ,
and display the computed area value.
f x
( )
p 1 p –
( ) x 1 –
x , 1,2,... = =