Imagine a game show where the host asks the contestant to randomly pick one option out of three: A, B or C. After the contestant chooses, say, option B, the host reveals one of the remaining choices ...

After the contestant chooses, say, option B, the host reveals one of the remaining choices (say C) does not contain the prize. In the final step, the contestant is asked whether they want to change ...

Dragan Rangelov does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...