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What a random number generator is good for
A random number generator is useful whenever you need neutral numeric selection: contest entries, classroom activities, statistical sampling, game mechanics, or picking from a numbered list.
The main advantage is flexibility. Instead of being limited to a coin or a die, you can define the exact range and generate numbers that fit your own process.
From the Blog
View all posts →The Lottery Paradox: A Terrible Bet
The expected value of a lottery ticket is almost always negative. People buy them anyway — and they're not being irrational in the way you might think.
Five Randomness Experiments for Class
Teaching probability doesn't require a textbook. Five hands-on experiments with coins, dice, and random generators make abstract concepts click.
Monte Carlo: Random Guessing Solves Problems
Monte Carlo methods use randomness to solve problems that pure math can't. The idea is simpler than it sounds — and it's used everywhere.
Icebreakers That Don't Make Everyone Groan
Most icebreakers fail because they put people on the spot with nothing to work with. Adding a random element changes the dynamic entirely.