This website uses cookies to ensure you get the best experience on our website. By clicking "Accept", you agree to our use of cookies. Learn more
Probability Quiz & Games
🎲 Probability Quiz & Games 🎯
Learn, play, enjoy probability!
🧠 Probability Quiz
🪙 Guess the Coin Toss
🎲 Roll Two Dice
🃏 Card Draw Probability
🔁 Random Number Sequence
Simulate n draws from range 1–range and test for repeats.
Coincidence Generator & Probability Simulator
Coincidence Generator & Probability Simulator
Explore surprising coincidences and understand their probabilities!
Random Coincidence Scenario
"Getting the same random number twice in a row."
Think about this coincidence — is it really that unlikely? Let's explore probabilities together.
Birthday Paradox Calculator
Find out the probability that at least two people in a room share the same birthday.
For 23 people, the probability that at least two share a birthday is about 50.73%.
Coin Toss Probability Calculator
Calculate the probability of getting exactly k heads in n coin tosses.
Probability of getting exactly 5 heads in 10 tosses is approximately 24.60938%.
Dice Roll Probability Calculator
Calculate the probability of rolling a specific sum with a given number of 6-sided dice.
Probability of rolling a sum of 7 with 2 dice is about 16.66667%.
Lottery Odds Calculator
Calculate your odds of winning a lottery by choosing k numbers from a total of n numbers.
Odds of winning by choosing 6 numbers from 49 total numbers is about 1 in 13,983,816 (~7.15E-6%).
Random Number Repeat Simulator
Calculate the probability that in n random draws (from 1 to range), at least one number repeats.
Probability of at least one repeat in 23 draws from 1 to 365 is about 50.72972%.
Learn More About Coincidences & Probability
Coincidences often feel mysterious, but many can be explained by probability and statistics.
These calculators help reveal the surprising math behind everyday events.
Experiment with different values to understand odds, probability distributions, and paradoxes.
In today's fast-paced and constantly connected world, the concept of "silent mode" is becoming increasingly important. With our smartphones constantly buzzing with notifications, emails flooding our inboxes, and social media feeds demanding our attention, finding moments of peace and quiet can seem like a rare luxury.
Online shopping has become increasingly popular in the UK, with more people turning to the internet to purchase a wide range of products. The convenience of shopping from the comfort of one's own home, along with the ability to easily compare prices and discover a variety of options, has made online shopping a preferred choice for many consumers.
Shanghai, one of China's biggest cities and a global financial hub, is home to a myriad of top companies that drive innovation and economic growth in the region. From cutting-edge technology firms to traditional manufacturing giants, Shanghai boasts a diverse corporate landscape that reflects the city's dynamic business environment.
Shanghai has emerged as a hotbed for startups in recent years, with a thriving entrepreneurial ecosystem that is attracting both local and international talent. The city's dynamic business environment, favorable government policies, and access to capital have made it a magnet for innovators looking to turn their ideas into successful businesses.
The labor market in Shanghai is experiencing significant changes amidst the evolving economic landscape in China. As one of the country's leading cities, Shanghai plays a crucial role in driving the growth of various industries and sectors. From traditional manufacturing to technology and finance, the labor market in Shanghai reflects the diverse nature of the city's economy.
In recent news, senior social clubs are gaining popularity as more and more older adults seek opportunities for socialization and connection. These clubs offer a variety of activities and events tailored specifically for seniors, creating a supportive community where members can meet new friends and engage in stimulating interactions.
Many seniors struggle to afford their medications, which can have a significant impact on their health and well-being. However, there is some good news on the horizon for seniors in need of free medications. Recently, there have been initiatives and programs aimed at providing seniors with access to the medications they need at no cost.
