Monty Hall Help

How Do I Use This Activity?

This activity allows the user to simulate the Monty Hall Game with up to 100 doors in which the user chooses a door, and then all but one door is opened to reveal a stinking pig. The player must then decide to stick with the original choice or change.

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If you don't see the applet, Java may not be functional in your browser or on your machine. If you can't run Java applets but are connected to the Internet, you might try one of these non-Java alternatives:

Controls and Output

  • To select the number of doors, type the desired number in the Number of Doors = [___] space. Here the number of doors is 3:

  • To select the number of games simulated, type the desired number in the Number of Trials = [___] space. Here the number of trials is 1000:

  • To select whether the player switches the doors or stays with the original choice, click on the selection sign: next to the Stay menu. Then click on Stay or Switch. Here Stay is selected:

  • To run the simulation, click on the Run Simulation button:

  • Observe the total number of prizes the player obtained in all the games in The number of prizes: [___] space. Here the number of prizes is 316:





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