BINOMIALPDF : Binomial Probability Density function

Version 1.1.0.0 (3.68 KB) by Bruce Raine
BINOMIALPDF Returns the probability that X = k in sample n.
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Updated 30 Dec 2011

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Very easy function to use that helps statisticians solve all kinds of problems.
The function does not need the Statistics Toolbox. I have included the BINOMIND function which this one calls but you can
download it separately if you like. I uploaded it to MATLAB Central as well.

EX1: binomialpdf(40,6,0.1,'exact') % = bpdf(X=6) where 0.1 = 10%
% ans = 0.106756244747289

% EX2: binomialpdf(11,2,0.1,'atmost') % = bpdf(X=0)+bpdf(X=1)+bpdf(X=2)
% ans = 0.910438149150000

% EX3: binomialpdf(10,2,0.1,'atleast')% = bpdf(X=2)+...+bpdf(X=10)
% ans = 0.263901070900000

Cite As

Bruce Raine (2025). BINOMIALPDF : Binomial Probability Density function (https://www.mathworks.com/matlabcentral/fileexchange/34387-binomialpdf-binomial-probability-density-function), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2011a
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.1.0.0

Updated the binomind.m file (1 of 2 files) in the zip file with the latest version. I have also uploaded the latest binomind.m file separately.
1.0.0.0