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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
"Meeting someone with the same name and birthday."
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 the world of travel, some of the most memorable experiences are often the ones that are completely unexpected. These serendipitous encounters can turn a regular trip into a truly unforgettable adventure. From chance meetings with interesting locals to stumbling upon hidden gems off the beaten path, unexpected travel experiences can add an element of magic to any journey.
In the grand scheme of things, it seems like fate always has a way of bringing people together. Romance and relationship coincidences can occur in the most unexpected and magical ways, often through chance encounters that leave us in awe of the mysterious ways of the universe.
Have you ever experienced a romantic coincidence that felt like fate was at play? Serendipitous moments in relationships can be powerful and unforgettable. From chance encounters to unexpected connections, these romantic coincidences can bring a sense of magic and wonder to our love lives.
Love is a mysterious force that can bring two people together in the most unexpected ways. Romance and relationship coincidences often lead to incredible love stories that defy logic and explanation. These unexpected connections serve as a reminder that sometimes, fate has a hand in guiding us towards our soulmate.
Have you ever bumped into a celebrity while going about your daily routine? It can be quite a surprising and thrilling experience to unexpectedly come face-to-face with someone who is usually seen on screen or heard on the radio. Here are some stories of chance celebrity encounters that left people in awe:
Have you ever dreamed of meeting your favorite celebrity by chance? Many of us have fantasized about running into a famous actor, musician, or athlete unexpectedly and getting the chance to chat with them for a few minutes. These chance celebrity encounters can make for some unforgettable stories that we love to share with our friends and family.
