(a) Use Matlab to conduct a computer experiment to verify the solution that the probability of winning by switching is 2/3. Report your design and computer code of the experiment and average results from 10, 000 trials of the experiment.

(a) Usclose all;

clc;

ntrials = 10000;

%losing results 
doors = ['empty','empty','car'];
wins = 0;
losses = 0;
newwins= 0;
newlosses=0;

%person keeps the same door they chose at the beginning
for i = 0:ntrials
    doors = rand;
    choice = ['Choose Door', 'A','B','C'];
    if doors(choice-1) == input('You Won')
        fprintf('Winner!');
        wins = wins+1;
    else 
        fprintf('Loser!')
        losses = losses+1;
    end 
end 


%person changes door once shown door chosen is empty
for j = 0:ntrails
    doors = rand;
    choice = ['Choose Door', 'A','B','C'];
    choice2 = rand(0,2);
end
      while door(choice2)==input('car')
        choice2=choice;
%losing door revealed 
fprintf('Eliminate Door B')
if choice2 == 0 && choice == 1
    choice = 2;
elseif choice2 == 0 && choice == 2
    choice = 1;
elseif choice2 == 1 && choice == 0
    choice =2; 
elseif choice2 == 1 && choice == 2
    choice = 0;
elseif choice2 == 2 && choice == 0
    choice = 1; 
elseif choice2 == 2 && choice == 1
    choice = 0;
end 
      end 
      
   if doors(choice-1) == input('You Won!')
           fprintf('Winner!');
        newwins = newwins+1;
    else 
        fprintf('Loser!')
        newlosses = newlosses+1;
    end

        
    
    
    
    
 
    


e Matlab to conduct a computer experiment to verify the solution that the probability of winning by switching is 2/3. Report your design and computer code of the experiment and average results from 10, 000 trials of the experiment.

[James Tursa]

What is your question? What specific problems are you having with your Let's Make a Deal 3-Door code?