Quiz Show Riddle?!


Question: Quiz Show Riddle!?
There are three doors!. behind one door, is a brand new Ferrari!. Behind the other two doors, some coal!. The host of the show knows where everything is!.
He gives you a hint by opening one of the doors which has a lump of coal behind it!.
You know which door has the car behind it!. Now, what did you do to find out the car's location!?
First and Best answer gets 10 pts!.Www@Enter-QA@Com


Answers:
I think you missed a bit!.

Say you had already picked door A, and the host showed you that door B had coal behind it!. He asks if you want to switch doors!.

As weird as it sounds, you have a higher chance of winning if you change to door C than if you stick with door A!. When you picked door A, there was a 1 in 3 chance that it was right!. Now you know that door B is not an option, if you switch to door C there is a 2 in 3 chance that you are right!.

I think I missed something there too, but that's as close as I can get to the answer!.

:)Www@Enter-QA@Com

Open one of the other doors and peek while the host is opening the "hint" door!.Www@Enter-QA@Com

You opened the doorWww@Enter-QA@Com

It doesnt matter because no matter what door you pick they are just going to switch it so you get the coal!.Www@Enter-QA@Com

Im with him ^ ^

Ive heard this before but slightly different, the show host asks you to choose a door so you choose!.!.!.!.!.!. say number 2!. The host then opens 3 and shows it has coal inside!. He then asks if you would like to change your decision!. Apparently according to super maths boffins, you have more chance of being correct if you switch as when you first made your decision there was only a 33!.33% chance of being correct but now- and i have no idea how this works- by eliminating the other door there is now a 66!.66% chance of it being behind door 1!

But Im just waqffling, that wasnt your question, so im stumped!Www@Enter-QA@Com

I came up with two answers!.
1!. There is only one door big enough to fit a Ferrari through
2!. the door you came in through didn't have a Farrari!.Www@Enter-QA@Com



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