The Monty Hall Problem

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4,360 Kb
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20,240

How do I make an the monty hall problem?

This is my implementation of the Monty Hall problem. More info can be found here: http://meid-up.blogspot.com.au/2014/05/the-monty-hall-problem.html. What is a the monty hall problem? How do you make a the monty hall problem? This script and codes were developed by Mei Weng Brough-Smyth on 06 November 2022, Sunday.

The Monty Hall Problem Previews

The Monty Hall Problem - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>The Monty Hall Problem</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <head>	<link href='https://fonts.googleapis.com/css?family=Open+Sans' rel='stylesheet' type='text/css'> <meta charset="utf-8"> <title>JS Bin</title>
</head>
<body id="bohday"> <h1>The Monty Hall Problem :)</h1> <table id="doorsTable">
<tr> <td> <label for="door1"> <div class="yay"> <div class="door">.</div> <div class="meh">?</div> </div> </label> </td> <td> <label for="door2"> <div class="yay"> <div class="door">.</div> <div class="meh">?</div> </div> </label> </td> <td> <label for="door3"> <div class="yay"> <div class="door">.</div> <div class="meh">?</div> </div> </label> </td>
</tr>
<tr> <td><input type="radio" name="door" id="door1" value=0><label for="door1">Door 1</label></td> <td><input type="radio" name="door" id="door2" value=1><label for="door2">Door 2</label></td> <td><input type="radio" name="door" id="door3" value=2><label for="door3">Door 3</label></td>
</tr>
</table> <center>or<br> <input type="radio" name="door" id="random" value="Randomise!" checked><label for="random">Randomise!</label></center></p> <input id="switch" type="checkbox" checked><label for="switch">Always switch</label></input></p>
<label for="input">Number of games</label> <input id="input" placeholder="Number of games" value="10"/> </p>
<p align="right"><button onclick="newGame()">Run Games</button></p>
<hr>
<h3><div id="wins">┗(-_-)┛┏(-_-)┓┏(-_-)┛┗(-_- )┓┗(-_-)┛┏(-_-)┓</div> <div id="totalGames">┏(-_-)┓┏(-_-)┛┗(-_- )┓┗(-_-)┛┏(-_-)┓┏(-_-)┛</div></h3>
<h1><div id="winRate">┗(-_-)┛┏(-_-)┓┏(-_-)┛┏(-_-)┓</div></h1>
<div id="console"> 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?<br>
<a href="http://en.wikipedia.org/wiki/Monty_Hall_problem">http://en.wikipedia.org/wiki/Monty_Hall_problem</a>
</div>
<p align="right"><button onclick="beepboop()">Clear</button></p>
</body> <script src="js/index.js"></script>
</body>
</html>

The Monty Hall Problem - Script Codes CSS Codes

#bohday {	font-family: 'Open Sans', 'sans-serif';	background-color: skyBlue;	color: white; max-width: 700px; margin-left:auto; margin-right:auto;	}
#wins, #totalGames, #winRate { white-space: nowrap
}
a { color:white;
}
#doorsTable { width:100%; text-align:center;
}
.yay { position:relative; width:100px; height:180px; margin-left:auto; margin-right:auto;
}
.door { width:100px; height:180px; margin:20px; background:brown; color: white; line-height:140px; text-align:right; font-size:100px; margin-left:auto; margin-right:auto;
}
.door:hover { -webkit-animation: open 0.75s ease;
}
@-webkit-keyframes open { from { -webkit-transform: perspective(300) rotateY(0deg); -webkit-transform-origin: 0% 0%; } to { -webkit-transform: perspective(300) rotateY(-180deg); -webkit-transform-origin: 0% 50%; }
}
.meh { width:100px; height:180px; top:-5px; left:-5px; position:absolute; z-index:-1; background:black; text-align:center; vertical-align: middle; line-height: 180px; color: white; font-size: 50px; margin-left:auto; margin-right:auto; border:solid; border-width:5px; border-bottom:0px; border-color:gold;
}
#console {	overflow-y: scroll;	height: 190px; border: solid; border-width:1px; background-color:rgba(255,255,255,0.2);	}

The Monty Hall Problem - Script Codes JS Codes

// Made by Mei Weng Brough-Smyth
// https://www.beepboop.com.au/2014/05/the-monty-hall-problem.html
var doorSelected;
var willSwitch;
var noOfGames;
var input;
var doorOpened = 0;
var timesWon = 0;
var totalGames = 0;
var consoleOut = document.getElementById("console");
function newGame() { // Get WillSwitch input willSwitch = (document.getElementById("switch").checked)? true : false; // Get Radio input var radios = document.getElementsByName('door'); for (var i = 0, length = radios.length; i < length; i++) { if (radios[i].checked) { doorSelected = radios[i].value; break; } } if (doorSelected === "Randomise!") { doorSelected = Math.floor(Math.random() * 3); } doorSelected = parseInt(doorSelected, 10); // Get number of Games input = document.getElementById('input').value; noOfGames = input.match(/^\d+$/); // Get random winning door var winningDoor = Math.floor(Math.random() * 3); // Initialise game var game = [false, false, false]; game[winningDoor] = true; // Initialise player perspective var player = [null, null, null]; player[doorSelected] = "doorSelected"; // Door select output doorSelectedOut = doorSelected + 1; consoleOut.innerHTML += "You select door " + doorSelectedOut + ".<br>"; // Find door door to open doorOpened = doorSelected + 1; if (doorOpened > 2) { //If it's too high, bring it back down into our array doorOpened = doorOpened - 3; } if (game[doorOpened] === true) { //Move opened door along if it's the winning door doorOpened++; } // Door opened output and append to player array doorOpenedOut = doorOpened + 1; consoleOut.innerHTML += "Door " + doorOpenedOut + " is opened to reveal nothing.<br>"; player[doorOpened] = "doorOpened"; if (willSwitch === true) { for (var j = 0; j < player.length; j++) { if (player[j] === null) { // Get player to switch to null in player array and output jOut = j+1; consoleOut.innerHTML += ("You switch to door " + jOut + ".<br>"); if (game[j] === true) { timesWon++; // Check if switched door is this winning door consoleOut.innerHTML += ("<b>You win!<br></b>"); } else { consoleOut.innerHTML += ("<b>You lose.<br></b>"); } } } } else { for (var k = 0; k < player.length; k++) { if (player[k] === "doorSelected") { consoleOut.innerHTML += "You stick with " + doorSelectedOut + "<br>"; if (game[doorSelected] === true) { timesWon++; // Check if initial door is this winning door consoleOut.innerHTML += ("<b>You win!<br></b>"); } else { consoleOut.innerHTML += ("<b>You lose.<br></b>"); } } } } console.log(game); console.log(player); totalGames++; percentageWon = (timesWon/totalGames*100).toFixed(0) + "%"; document.getElementById("wins").innerHTML = "Total wins: " + timesWon; document.getElementById("totalGames").innerHTML = "Total games: " + totalGames; document.getElementById("winRate").innerHTML = "Win rate: " + percentageWon; consoleOut.innerHTML += "----------------------------------------------------------<br>"; if (totalGames < noOfGames) { newGame(); } else { consoleOut.innerHTML += "<b>End game number " + totalGames + "! \\(^w^)/ </b><br>"; reset(); }
}
function reset() { timesWon = 0; totalGames = 0; consoleOut.scrollTop = consoleOut.scrollHeight;
}
function beepboop() { consoleOut.innerHTML = ""; document.getElementById("console").innerHTML = "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?<br><a href=\"http://en.wikipedia.org/wiki/Monty_Hall_problem\">http://en.wikipedia.org/wiki/Monty_Hall_problem</a>"; document.getElementById("wins").innerHTML = "┗(-_-)┛┏(-_-)┓┏(-_-)┛┗(-_- )┓┗(-_-)┛┏(-_-)┓"; document.getElementById("totalGames").innerHTML = "┏(-_-)┓┏(-_-)┛┗(-_- )┓┗(-_-)┛┏(-_-)┓┏(-_-)┛"; document.getElementById("winRate").innerHTML = "┗(-_-)┛┏(-_-)┓┏(-_-)┛┏(-_-)┓";
}
The Monty Hall Problem - Script Codes
The Monty Hall Problem - Script Codes
Home Page Home
Developer Mei Weng Brough-Smyth
Username melatonind
Uploaded November 06, 2022
Rating 3
Size 4,360 Kb
Views 20,240
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