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Kahn Academy

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Gun Owners Manual

 

 

 

Music
 Notice - Some of the Music is not Intended for the Politically Correct

Amazing Grace - Il Divo
 The Anthem
Are You Lonesome Tonight - Elvis
Blue Christmas - Elvis and Matrina
Boogie Woogie - Silvan Zingg (piano), Will & Maéva
The Fifties
If That Ain't Country - David Allen Coe
Jackson - Johnny & June
Jukebox
Memories Are Made of this - Deano
My Blue Moon Nights - John Fogerty
Patsy Cline - Alaska Railroad
Walkin in Sunshine - Roger Miller
The Rat Pack & Carson
Trouble, Trouble, Trouble
You Picked a Fine Time...

 

 

A Tricky Puzzle - Click Here for Circle the Cat
 
   

 

World's Trickiest Puzzle
Monty Hall and the Three Doors Problem

Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. You pick a door, say No. 1, and the host, who knows what's behind the doors, opens another door, say No. 3, which has a goat. He then says to you, "Do you want to pick door No. 2?" Is it to your advantage to switch your choice?
 

Answer: Scroll to the Bottom of this Page

 

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Answer to the Monty Hall Puzzle

Switch. It improves your odds from one-out-of-three to two-out-of-three. Reasoning: If you don't switch, your odds remain the same. Just because he opened a door does not change your original odds. They remain 1/3. Switching changes the odds of picking a goat to 1/3 and improves your odds of picking the car to 2/3. (The total of the odds must be 1.)

Still dispute the answer? Yes? You're not alone. Google "the monty hall problem" for the proof. Or we should say proofs. But they all say "switch" and improve your odds by 50%.

For the clearest explanation, Click Here.
 


 
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