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  2. Sample space - Wikipedia

    en.wikipedia.org/wiki/Sample_space

    It is common to refer to a sample space by the labels S, Ω, or U (for "universal set"). The elements of a sample space may be numbers, words, letters, or symbols. They can also be finite, countably infinite, or uncountably infinite. [6] A subset of the sample space is an event, denoted by .

  3. Event (probability theory) - Wikipedia

    en.wikipedia.org/wiki/Event_(probability_theory)

    An event, however, is any subset of the sample space, including any singleton set (an elementary event), the empty set (an impossible event, with probability zero) and the sample space itself (a certain event, with probability one). Other events are proper subsets of the sample space that contain multiple elements. So, for example, potential ...

  4. Probability space - Wikipedia

    en.wikipedia.org/wiki/Probability_space

    An event space, which is a set of events, , an event being a set of outcomes in the sample space. A probability function , P {\displaystyle P} , which assigns, to each event in the event space, a probability , which is a number between 0 and 1 (inclusive).

  5. Probability theory - Wikipedia

    en.wikipedia.org/wiki/Probability_theory

    That is, the probability function f(x) lies between zero and one for every value of x in the sample space Ω, and the sum of f(x) over all values x in the sample space Ω is equal to 1. An event is defined as any subset of the sample space . The probability of the event is defined as

  6. Experiment (probability theory) - Wikipedia

    en.wikipedia.org/wiki/Experiment_(probability...

    A sample space, Ω (or S), which is the set of all possible outcomes. A set of events F {\displaystyle \scriptstyle {\mathcal {F}}} , where each event is a set containing zero or more outcomes. The assignment of probabilities to the events—that is, a function P mapping from events to probabilities.

  7. Probability distribution - Wikipedia

    en.wikipedia.org/wiki/Probability_distribution

    A probability distribution is a mathematical description of the probabilities of events, subsets of the sample space. The sample space, often represented in notation by , is the set of all possible outcomes of a random phenomenon being observed. The sample space may be any set: a set of real numbers, a set of descriptive labels, a set of ...

  8. The US's biggest moments and upsets in space this year - AOL

    www.aol.com/news/35-photos-show-uss-biggest...

    The year 2024 had major space events including a total solar eclipse and historic moon landing. ... NASA would need to return the sample to Earth to confirm the potentially groundbreaking ...

  9. Probability - Wikipedia

    en.wikipedia.org/wiki/Probability

    The power set of the sample space is formed by considering all different collections of possible results. For example, rolling a die can produce six possible results. One collection of possible results gives an odd number on the die. Thus, the subset {1,3,5} is an element of the power set of the sample space of dice rolls. These collections are ...