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? Would you stay with your original door selection, or would you switch? Explain your reasoning. What is the probability of winning if you stay with your original door selection? What is the probability of winning if you switch to the other door, after you've been shown the door with a goat

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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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?

  • Would you stay with your original door selection, or would you switch? Explain your reasoning.
  • What is the probability of winning if you stay with your original door selection?
  • What is the probability of winning if you switch to the other door, after you've been shown the door with a goat?
Expert Solution
Step 1: Write down the given information

Three doors ( Total = 3 ) 

Behind one door (car) 

Behind other doors ( goats ) 

You pick a door ( no.1 ) 

The host opens another door ( no.3 ) which has a goat , 

He says , do you want to pic door no. 2 

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