확률 계산기
모든 확률 계산기
Bayes 정리 계산기
Apply Bayes' theorem to conditional probability problems. Enter prior probability and likelihoods — see posterior probability with tree diagram. Free.
Birthday Paradox 계산기
Calculate the probability two people share a birthday in a group. Enter group size — see exact probability with formula and 50% threshold. Free.
Dice Probability 계산기
Probability of dice outcomes for any number of dice. Step-by-step solution with formula, example dataset and interpretation guide.
Lottery Probability 계산기
Calculate the odds of winning any lottery. Enter pool size and picks — see probability as fraction, percentage, and 1-in-N odds. Free.
Card Probability 계산기
Probability of drawing specific cards from a deck. Step-by-step solution with formula, example dataset and interpretation guide.
Expected Value 계산기
Calculate expected value for any probability distribution. Enter outcomes and probabilities — see E(X), variance, and standard deviation. Free.
Odds Ratio 계산기
Convert between probability and odds. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.
Gambler's Ruin Calculator
Find the probability of winning in the gambler's ruin problem. Enter starting stake, target, and win probability — see exact ruin probability. Free.