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  2. Memorylessness - Wikipedia

    en.wikipedia.org/wiki/Memorylessness

    The memorylessness property asserts that the number of previously failed trials has no effect on the number of future trials needed for a success. Geometric random variables can also be defined as taking values in N 0 {\displaystyle \mathbb {N} _{0}} , which describes the number of failed trials before the first success in a sequence of ...

  3. Markov property - Wikipedia

    en.wikipedia.org/wiki/Markov_property

    A stochastic process has the Markov property if the conditional probability distribution of future states of the process (conditional on both past and present values) depends only upon the present state; that is, given the present, the future does not depend on the past.

  4. Markov chain - Wikipedia

    en.wikipedia.org/wiki/Markov_chain

    A Markov process is a stochastic process that satisfies the Markov property (sometimes characterized as "memorylessness"). In simpler terms, it is a process for which predictions can be made regarding future outcomes based solely on its present state and—most importantly—such predictions are just as good as the ones that could be made ...

  5. Exponential distribution - Wikipedia

    en.wikipedia.org/wiki/Exponential_distribution

    In probability theory and statistics, the exponential distribution or negative exponential distribution is the probability distribution of the distance between events in a Poisson point process, i.e., a process in which events occur continuously and independently at a constant average rate; the distance parameter could be any meaningful mono-dimensional measure of the process, such as time ...

  6. Amnesia - Wikipedia

    en.wikipedia.org/wiki/Amnesia

    Amnesia is a deficit in memory caused by brain damage or brain diseases, [1] but it can also be temporarily caused by the use of various sedative and hypnotic drugs. The memory can be either wholly or partially lost due to the extent of damage that is caused.

  7. Retrograde amnesia - Wikipedia

    en.wikipedia.org/wiki/Retrograde_amnesia

    In neurology, retrograde amnesia (RA) is the inability to access memories or information from before an injury or disease occurred. [1] RA differs from a similar condition called anterograde amnesia (AA), which is the inability to form new memories following injury or disease onset. [2]

  8. Transient global amnesia - Wikipedia

    en.wikipedia.org/wiki/Transient_global_amnesia

    Transient global amnesia (TGA) is a neurological disorder whose key defining characteristic is a temporary but almost total disruption of short-term memory with a range of problems accessing older memories.

  9. Andrey Markov - Wikipedia

    en.wikipedia.org/wiki/Andrey_Markov

    Andrey Andreyevich Markov [a] (14 June 1856 – 20 July 1922) was a Russian mathematician best known for his work on stochastic processes.A primary subject of his research later became known as the Markov chain.