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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
"Finding a book or movie that perfectly matches your current life situation."
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 bustling city of Madrid, where business opportunities abound and the energy is palpable, coincidences and chances often play a significant role in shaping the success stories of entrepreneurs and businesses alike. The intertwining of serendipitous encounters and calculated risks creates a dynamic landscape where unexpected connections and fortuitous events can propel individuals and companies to new heights.
Lithuania may be a small country, but it has made a big impact in the world of startups. The success of Lithuanian startups is not just due to luck or chance, but also a result of hard work, determination, and innovation. However, there are certainly aspects of coincidence and chances that have played a role in the success of some Lithuanian startups.
In life, there are moments that seem too unlikely to be mere coincidences. These instances make us pause and wonder about the mysteries of fate and chance. In the vibrant country of Lithuania, there have been many extraordinary events that defy the odds and leave people amazed.
In the world of business, coincidences and chances often play a significant role in shaping outcomes. This holds true even in the bustling business landscape of Lithuania, where opportunities can arise unexpectedly and decision-making can be influenced by serendipitous events.
