Texas Instruments 83PL/CLM/1L1/V - 83 Plus Calc, Manual Book

Page: 434 / 827

TI-83 Plus Inferential Statistics and Distributions 431
probabilities from 0 to
numtrials
is returned. The probability density
function (pdf) is:
n x p p
x
n
x f
x n x
, , 1 , 0 , ) 1 ( ) (
K
= −




=
−
where
n = numtrials
binompdf( numtrials , p
[
, x
]
)
binomcdf(
binomcdf(
computes a cumulative probability at
x
for the discrete binomial
distribution with the specified
numtrials
and probability of success (
p
) on
each trial.
x
can be a real number or a list of real numbers. 0

p

1 must
be true.
numtrials
must be an integer > 0. If you do not specify
x
, a list of
cumulative probabilities is returned.
binomcdf( numtrials , p
[
, x
]
)