To set up a random joke generator, you could use JavaScript, for example. Here's a simple example of how you could do it:

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// Define an array containing your jokes
const jokes = [
  "Why don't scientists trust atoms? Because they make up everything.",
  "How do you make a tissue dance? Put a little boogey in it!",
  "Why do we tell actors to 'break a leg?' Because every play has a cast!",
  // Add as many jokes as you like
];

// Define a function that generates a random joke
function generateJoke() {
  const randomIndex = Math.floor(Math.random() * jokes.length);
  const randomJoke = jokes[randomIndex];
  return randomJoke;
}

// Call the function to generate a random joke
console.log(generateJoke());

In this example, we defined an array called jokes which contains different jokes. Then, we defined a function called generateJoke which uses the Math.random() method to generate a random index between 0 and the length of the jokes array. Finally, the function returns the joke at the random index. When we call the function using console.log(generateJoke()), it will output a random joke from the array!

Here is a sample code that you can use to make a roulette wheel that rotates a random number of degrees.

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<!-- HTML code -->
<div id="wheel"></div>
<button onclick="spin()">Spin!</button>

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/* CSS code */
#wheel {
  width: 200px;
  height: 200px;
  border: 1px solid black;
  border-radius: 50%;
  position: relative;
}

#wheel::before {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 100px 100px 0 100px;
  border-color: red transparent transparent transparent;
  transform-origin: bottom center;
}

#wheel::after {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  background-color: black;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

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// JavaScript code
function spin() {
  let wheel = document.getElementById("wheel");
  let angle = Math.floor(Math.random() * 360) + 720;
  wheel.style.transform = "rotate(" + angle + "deg)";
}

This code creates a roulette wheel using HTML and CSS with a red pointer on top. When the user clicks the "Spin!" button, it runs the spin() function that generates a random degree between 720 and 1079 and rotates the wheel to that angle using JavaScript. You can adjust the styles of the roulette wheel by modifying the CSS code.

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const audioArray = ["audio1.mp3", "audio2.mp3", "audio3.mp3", "audio4.mp3"];

function playRandomAudio() {
  const audioIndex = Math.floor(Math.random() * audioArray.length);
  const audio = new Audio(audioArray[audioIndex]);
  audio.play();
}

In this code, we first create an array named audioArray which contains the names of audio files we want to randomize.

After that, we create a function named playRandomAudio() that picks a random index number from audioArray using Math.random().

We then create a new Audio object with the random audio file name we generate in the previous step, and finally use play() method to play the audio file.

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import random

# recorded values of water flow for each sensor
s1 = [450, 435, 441]
s2 = [372, 368, 371]
s3 = [382, 389, 378]

# generate random sample for each sensor
s1_sample = [random.randint(350, 500) for i in range(50)]
s2_sample = [random.randint(350, 500) for i in range(50)]
s3_sample = [random.randint(350, 500) for i in range(50)]

print(s1_sample) # print s1 sample
print(s2_sample) # print s2 sample
print(s3_sample) # print s3 sample

This code generates a random sample of 50 observations for each sensor. The random.randint() function is used to generate random integers between 350 and 500 (inclusive) for each sensor. The output is printed using the print() function.

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import random
print(random.randint(1, 100))

This code imports random module and uses the randint() function from that module to generate a random integer between the numbers 1 and 100, inclusive. The generated integer is then printed using the print() function.

HTML:

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<!-- This is where the quiz will be displayed -->
<div id="quiz"></div>

CSS:

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/* Style for the quiz */
#quiz {
  margin: 0 auto;
  max-width: 600px;
  text-align: center;
}

JavaScript:

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// Array containing the questions
var questions = [
  "What is the capital of Spain?",
  "Who won the FIFA Women's World Cup in 2019?",
  "What is the smallest country in the world?",
  "Who invented the telephone?",
  "What is the tallest mountain in the world?"
];

// Function to select a random question from the array
function getRandomQuestion() {
  var randomIndex = Math.floor(Math.random() * questions.length);
  return questions[randomIndex];
}

// Function to display the quiz
function displayQuiz(maxQuestions) {
  var quiz = document.getElementById("quiz");
  var numQuestionsDisplayed = 0;

  // Loop until max number of questions are displayed
  while (numQuestionsDisplayed < maxQuestions) {
    var question = getRandomQuestion();

    // Add the question to the quiz
    var questionDiv = document.createElement("div");
    questionDiv.innerHTML = question;
    quiz.appendChild(questionDiv);

    // Increment the number of questions displayed
    numQuestionsDisplayed++;
  }
}

// Call the function to display the quiz (10 questions in this example)
displayQuiz(10);

You can create 8 different random variables in a shorter line using the destructuring assignment syntax in JavaScript.

For example:

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// short line of code
const [ var1, var2, var3, var4, var5, var6, var7, var8 ] = [Math.random(), Math.random(), Math.random(), Math.random(), Math.random(), Math.random(), Math.random(), Math.random()];

console.log(var1);
console.log(var2);
console.log(var3);
console.log(var4);
console.log(var5);
console.log(var6);
console.log(var7);
console.log(var8);

More information and examples can be found here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment

You can write code in Java to ask two addition math questions using random variables like this:

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import java.util.Random;

public class QuestionGenerator{
    public static void main (String[] args){
        Random rand = new Random();

        // Set the maximum number
        int maxNumber = 10;

        // Generate first random number
        int num1 = rand.nextInt(maxNumber);
        // Generate second random number
        int num2 = rand.nextInt(maxNumber);

        // Output the math question
        System.out.println("What is " + num1 + " + " + num2 + "?");
    }
}

You can try this code here: https://repl.it/@TseTsuiu/QuestionGenerator

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function randomNumber(){
    return Math.floor(Math.random() * (10 - 0 + 1)) + 0;
}

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let randomNumber = Math.random();
console.log(randomNumber);

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document.addEventListener("keydown", function(e) {
  if(e.keyCode === 32) {
    var randInt = Math.floor(Math.random() * Math.floor(10000));
    console.log(randInt);
  }
})

In Javascript:

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let array = ["Hey", "there", "how", "are", "you"];
let random1 = array[Math.floor(Math.random() * array.length)];
let random2 = array[Math.floor(Math.random() * array.length)];
console.log(random1, random2);