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4: Discrete Probability Distributions

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  • 4.2: The Binomial Distribution
    A statistical experiment can be classified as a binomial experiment if the following conditions are met: (1) There are a fixed number of trials. (2)There are only two possible outcomes: "success" or "failure" for each trial. (3) The trials are independent and are repeated using identical conditions. The outcomes of a binomial experiment fit a binomial probability distribution.
  • 4.1.1: Discrete Probability Distributions Part 1
    A discrete probability distribution function has two characteristics: Each probability is between zero and one, inclusive. The sum of the probabilities is one.
  • 4.1.2: Discrete Probability Distributions Part 2
    The expected value is often referred to as the "long-term" average or mean. This means that over the long term of doing an experiment over and over, you would expect this average. This “long-term average” is known as the mean or expected value of the experiment and is denoted by the Greek letter μμ . In other words, after conducting many trials of an experiment, you would expect this average value.


4: Discrete Probability Distributions is shared under a CC BY-NC license and was authored, remixed, and/or curated by LibreTexts.

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