Probability The Birthday Problem

How many people need to be in a room before there's a 50% chance that two of them share the same

View full lesson: http://ed.ted.com/lessons/check-your-intuition-the-

The surprisingly small answer to this question is what's often dubbed "The

Video by David Lippman to accompany the open textbook Math in Society (http://www.opentextbookstore.com/mathinsociety/).

The

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Before we start this video, let's ask you a question. If there are 23 randomly chosen people in a room, what is the

Featuring Tom Crawford (happy

We discuss the

It's common to have to deal with combinatorics when solving

We discuss the

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Mount St. Mary's University mathematics professor Jonelle Hook finds the

Mike Pound discusses hash collisions & the

I bet you $100 dollars. If you put just 23 people in a room, there is a 50% chance that two of them share the exact same

In this video we go over the classic

What's the