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Learn the basics of theoretical probability with Khan Academy's free, world-class educational resources.
Probability tells us how often some event will happen after many repeated trials. You've experienced probability when you've flipped a coin, rolled some dice, or looked at a weather forecast. Go deeper with your understanding of probability as you learn about theoretical, experimental, and compound probability, and investigate permutations, combinations, and more!
And I want to know what is the probability of getting heads. And I could write that like this-- the probability of getting heads. And you probably, just based on that question, have a sense of what probability is asking. It's asking for some type of way of getting your hands around an event that's fundamentally random.
Learn about compound probability of independent events using the multiplication rule in this Khan Academy video.
We're thinking about how the probability of an event can be dependent on another event occuring in this example problem. ... Lesson 8: Multiplication rule for dependent events. Dependent probability introduction. Dependent probability: coins. Dependent probability example. Independent & dependent probability.
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I will assume you are asking about the probability of rolling doubles on two different dice. Yes, the probability of rolling any specific sequence of two numbers is 1/6 * 1/6 = 1/36, but there are 6 possible sequences that give doubles: 1,1; 2,2; 3,3; 4,4; 5,5; and 6,6. So the probability of rolling doubles is 6 * 1/36 = 1/6.
Free throw binomial probability distribution. Graphing basketball binomial distribution. Binompdf and binomcdf functions. Binomial probability (basic) Binomial probability formula. Calculating binomial probability. Math > AP®︎/College Statistics > Random variables and probability distributions >
Conditional probability with Bayes' Theorem. Conditional probability using two-way tables. Calculate conditional probability. Conditional probability and independence. Conditional probability tree diagram example. Tree diagrams and conditional probability. Math > AP®︎/College Statistics >
Manually going through the combinatorics to determine the probability of an event occuring If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.