Monty Hall was the host of TV game show ‘Lets Make a Deal”. Contestants had to pick between 1 of 3 curtains to see what’s behind it…..well…. check out this Wiki piece before I mess up.

https://en.m.wikipedia.org/wiki/Monty_Hall_problem

Not sure if this particular subject has come up before. For us mathematically challenged, it’s a head scratcher but I think I get it after reading up on it. Marilyn vos Savant obviously had no problem with it. Problem has boggled the minds of many number enthusiasts and I’m not sure if the answer is accepted in some parts. Other factors come into play. Interesting if you haven’t seen it before.