Re: Monty Hall Problem - Page 2

Anonymous · ‎05-06-2013

If you haven't heard of this, then don't Google it - just read through it and see if you follow

If you are on a game show, and there are 3 doors; A, B and C. I tell you that afancy sports car is behind one of the doors, and behind the other two is nothing, which door would you pick?

Now, if I tell you that the door to the right of your chosen door (or the far left, if you chose the far right) hasnothing behind it, that means that only your door and one other are unknown. Do you wish to keep your original door or switch for the other door?

Anonymous · ‎06-06-2013

As long as you didn't chose the correct door first you can't lose!

perksie · ‎06-06-2013

Exactly it'won't work every time obviously but it increases your chances over several goes, so in theory it's your best option to change.

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Anonymous · ‎06-06-2013

It's a great question. Every time I go to work it out I contradict myself!

Anonymous · ‎06-06-2013

I wrote a computer program which simulated it 1 million times and it worked out that switching was exactly 66% accurate.

It's hardest to visualise with 3 doors but if there are 1 million doors and I open all except yours and one other, it is easier to see.

MI5 · ‎06-06-2013

That's all part of the fun with stats. You can make them work to whatever mood you're in

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Anonymous · ‎06-06-2013

Gonna use this one if you don't mind.

Anonymous · ‎06-06-2013

If you have made your choice and are told the one to the right of yours is empty, then you have a 50/50 chance - changing your mind would be pointless - move to the right (braindead) you have no chance, move to the left you still have 50/50

The clue is in the fact that you have already made your first choice

perksie · ‎06-06-2013

That's just it it's not 50/50 and the tests have shown that.

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MI5 · ‎06-06-2013

It can never be a 50/50 chance with 3 variables in play. It doesn't matter which way you dress the question it's just basic stats......

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Anonymous · ‎06-06-2013

@perksie wrote:
That's just it it's not 50/50 and the tests have shown that.

??? have to google it to get my head round this one - must get back to work now tho