ProbabilityBee

When you play this game you practice your skills to express your uncertainty in a number by betting on the intervals you find likely to contain the true value. 

The number of flowers in the correct bin is your reward. 

See how your skills change as you play the game and try to reach the score of an excellent guesser.

Beeware, if you fail to bet on the true value the bees get angry.

https://www.cec.lu.se/research/gaming-for-uncertainty