File:prob-birthday.png

Figure file · Random experiments and probability

The probability that at least two people in a group of n share a birthday. It crosses one half at 23 people and is above 0.99 by 57.

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Summary

Description. The probability that at least two people in a group of n share a birthday. It crosses one half at 23 people and is above 0.99 by 57.

Appears in. Random experiments and probability

Made by. Drawn with Python and matplotlib from the example data. One script draws every figure in its section.

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• PNG, high resolution (1842 × 889 pixels, 78 KB)
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• PDF, vector, prints at any size (17 KB)
• Python script (stat2003-make_figures.py)

File usage

These 2 pages show the file:

• Four ways of counting draws
• Random experiments and probability