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  1. Probability: the basics (article) | Khan Academy

    Probability is simply how likely something is to happen. Whenever we’re unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they …

  2. Probability | Statistics and probability | Math | Khan Academy

    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 …

  3. Statistics and Probability (video) - Khan Academy

    Probability, a word that you've probably heard a lot of, and you are probably a little bit familiar with it. But hopefully, this will give you a little deeper understanding.

  4. Probabilities in genetics (article) | Khan Academy

    A probability of 1 for an event means that it is guaranteed to happen, while a probability of 0 for an event means that it is guaranteed not to happen. A simple example of probability is having a 1 …

  5. Conditional probability and independence - Khan Academy

    The probability of getting "heads," given that it's a Tuesday, is still 1 / 2 . So the result of a coin flip and the day being Tuesday are independent events; knowing it was a Tuesday didn't change …

  6. Statistics and probability - Khan Academy

    Learn statistics and probability—everything you'd want to know about descriptive and inferential statistics.

  7. Probability | High school statistics | Math | Khan Academy

    If you're curious about the mathematical ins and outs of probability, you've come to the right unit! Here, we'll take a deep dive into the many ways we can calculate the likelihood of different …

  8. Conditional probability explained visually - Khan Academy

    The probability of Bob having flipped the fair coin isn't simply 50% after observing the outcome of the flip because this scenario involves conditional probability.

  9. Deep definition of the normal distribution - Khan Academy

    For those of you who know calculus, if p of x is our probability density function -- doesn't have to be a normal distribution although it often is a normal distribution -- the way you actually figure …

  10. Probability and relative frequency | Lesson (article) | Khan Academy

    Probability and relative frequency | Lesson Table data — Basic example Table data — Harder example Probability and relative frequency: foundations