Subscription only link..........................
Really? It worked for me and I am not a subscriber. Interesting debate on the issues of probabilities. Do you switch your choice you made when it was 1 out of 3 and is narrowed to 1 out of 2? That was the topic at hand.
Just search it on youtube.
I discovered this a couple of years ago. The key is that Monty KNOWS which door the prize is behind, otherwise the odds don’t change. It’s complicated, but does actually make sense once you really look at it.
What’s weird is that if Monty were to give this choice every week, no matter what, then the odds would be as expected. But because he didn’t, well...
I just googled the title and the google link gets you past the paywall.