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  • Khan Academy
    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
  • Statistics and Probability | Khan Academy
    Learn statistics and probability—everything you'd want to know about descriptive and inferential statistics Skip to main content If you're seeing this message, it means we're having trouble loading external resources on our website
  • Unit 9: Random variables - Khan Academy
    We calculate probabilities of random variables and calculate expected value for different types of random variables Random variables can be any outcomes from some chance process, like how many heads will occur in a series of 20 flips of a coin
  • Random variables - Khan Academy
    Random variables are really ways to map outcomes of random processes to numbers So if you have a random process, like you're flipping a coin or you're rolling dice or you are measuring the rain that might fall tomorrow, so random process, you're really just mapping outcomes of that to numbers
  • Unit 9: Random variables - Khan Academy
    Random variables can be any outcomes from some chance process, like how many heads will occur in a series of 20 flips of a coin We calculate probabilities of random variables and calculate expected value for different types of random variables
  • Random variables - Khan Academy
    Random variables are really ways to map outcomes of random processes to numbers So if you have a random process, like you're flipping a coin or you're rolling dice or you are measuring the rain that might fall tomorrow, so random process, you're really just mapping outcomes of that to numbers
  • Random variables - Khan Academy
    We calculate probabilities of random variables and calculate expected value for different types of random variables Random variables can be any outcomes from some chance process, like how many heads will occur in a series of 20 flips of a coin
  • Probability with discrete random variables - Khan Academy
    Practice calculating probabilities in the distribution of a discrete random variable


















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