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39 tools
Risk calculator checks which of the two options is less risky based on the probability of failure and its consequences.
Find your bet's odds and potential winnings with the roulette payout calculator!
Online virtual dice roller that is capable of simultaneously rolling up to 100 dice randomly. A virtual dice roller with any number of sides is also provided.
ANOVA Calculator performs statistical analysis to identify significant differences between group means using one-way and two-way ANOVA.
The birthday paradox calculator is a tool that enables you to determine the probability that at least two people from a group of a given size will share a birthday.
With this dice average calculator, you can quickly calculate the average value of a set of dice rolls.
Use this p-hat calculator to determine the sample proportion according to the number of occurrences of an event and the sample size.
The post-test probability calculator allows you to calculate pre-test probability, likelihood ratios, and finally, the post-test probability itself.
Test your knowledge of dice averages, expected values, and probability with our average dice quiz before rolling or designing your next game.
Discover why "accurate" tests can be misleading with this false positive paradox calculator.
The Monty Hall Problem calculator can help you win a car 66% of the time — but only if you play the game!
Learn how two losing games can make a winning game by alternating between them in this Parrondo's paradox calculator.
Understand the math behind the millions. Test your probability skills to see if you are a certified jackpot genius!
Use the relative risk calculator to compare the probability of developing a disease in two groups of people.
The two envelopes paradox calculator helps you determine whether swapping envelopes will make you obtain the envelope with a larger amount of money.